Home / 4,306.50-6,459.75-1,385.10

Finding the Fourth Proportional to 4,306.50, 6,459.75 and 1,385.10

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Solution

The fourth proportional to 4,306.50, 6,459.75 and 1,385.10 is: 2,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.50 : 6,459.75 = 1,385.10 : x
  2. Step 2: Convert to fraction form
    4,306.50/6,459.75 = 1,385.10/x
  3. Step 3: Cross multiply
    4,306.50x = 6,459.75 × 1,385.10
  4. Step 4: Simplify right side
    4,306.50x = 8,947,399.73
  5. Step 5: Solve for x
    x = 8,947,399.73/4,306.50
  6. Step 6: Final answer
    x = 2,077.65

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,307.50, 6,461.25 and 1,386.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.