Home / 8,397.64-11,575.40-7,050.59

Finding the Fourth Proportional to 8,397.64, 11,575.40 and 7,050.59

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Solution

The fourth proportional to 8,397.64, 11,575.40 and 7,050.59 is: 9,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.64 : 11,575.40 = 7,050.59 : x
  2. Step 2: Convert to fraction form
    8,397.64/11,575.40 = 7,050.59/x
  3. Step 3: Cross multiply
    8,397.64x = 11,575.40 × 7,050.59
  4. Step 4: Simplify right side
    8,397.64x = 81,613,399.49
  5. Step 5: Solve for x
    x = 81,613,399.49/8,397.64
  6. Step 6: Final answer
    x = 9,718.61

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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.