Home / 4,306.74-6,460.71-1,385.07

Finding the Fourth Proportional to 4,306.74, 6,460.71 and 1,385.07

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Solution

The fourth proportional to 4,306.74, 6,460.71 and 1,385.07 is: 2,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.74 : 6,460.71 = 1,385.07 : x
  2. Step 2: Convert to fraction form
    4,306.74/6,460.71 = 1,385.07/x
  3. Step 3: Cross multiply
    4,306.74x = 6,460.71 × 1,385.07
  4. Step 4: Simplify right side
    4,306.74x = 8,948,535.60
  5. Step 5: Solve for x
    x = 8,948,535.60/4,306.74
  6. Step 6: Final answer
    x = 2,077.80

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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.