Home / 8,397.08-11,585.26-5,407.64

Finding the Fourth Proportional to 8,397.08, 11,585.26 and 5,407.64

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Solution

The fourth proportional to 8,397.08, 11,585.26 and 5,407.64 is: 7,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.08 : 11,585.26 = 5,407.64 : x
  2. Step 2: Convert to fraction form
    8,397.08/11,585.26 = 5,407.64/x
  3. Step 3: Cross multiply
    8,397.08x = 11,585.26 × 5,407.64
  4. Step 4: Simplify right side
    8,397.08x = 62,648,915.39
  5. Step 5: Solve for x
    x = 62,648,915.39/8,397.08
  6. Step 6: Final answer
    x = 7,460.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.