Home / 4,613.36-6,915.78-1,691.28

Finding the Fourth Proportional to 4,613.36, 6,915.78 and 1,691.28

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Solution

The fourth proportional to 4,613.36, 6,915.78 and 1,691.28 is: 2,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.36 : 6,915.78 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    4,613.36/6,915.78 = 1,691.28/x
  3. Step 3: Cross multiply
    4,613.36x = 6,915.78 × 1,691.28
  4. Step 4: Simplify right side
    4,613.36x = 11,696,520.40
  5. Step 5: Solve for x
    x = 11,696,520.40/4,613.36
  6. Step 6: Final answer
    x = 2,535.36

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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.