Home / 8,565.16-11,820.38-5,207.43

Finding the Fourth Proportional to 8,565.16, 11,820.38 and 5,207.43

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Solution

The fourth proportional to 8,565.16, 11,820.38 and 5,207.43 is: 7,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.16 : 11,820.38 = 5,207.43 : x
  2. Step 2: Convert to fraction form
    8,565.16/11,820.38 = 5,207.43/x
  3. Step 3: Cross multiply
    8,565.16x = 11,820.38 × 5,207.43
  4. Step 4: Simplify right side
    8,565.16x = 61,553,801.42
  5. Step 5: Solve for x
    x = 61,553,801.42/8,565.16
  6. Step 6: Final answer
    x = 7,186.53

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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.