Home / 4,269.74-6,404.80-1,307.96

Finding the Fourth Proportional to 4,269.74, 6,404.80 and 1,307.96

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Solution

The fourth proportional to 4,269.74, 6,404.80 and 1,307.96 is: 1,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.74 : 6,404.80 = 1,307.96 : x
  2. Step 2: Convert to fraction form
    4,269.74/6,404.80 = 1,307.96/x
  3. Step 3: Cross multiply
    4,269.74x = 6,404.80 × 1,307.96
  4. Step 4: Simplify right side
    4,269.74x = 8,377,236.04
  5. Step 5: Solve for x
    x = 8,377,236.04/4,269.74
  6. Step 6: Final answer
    x = 1,962.00

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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.