Home / 8,538.39-11,781.47-4,761.26

Finding the Fourth Proportional to 8,538.39, 11,781.47 and 4,761.26

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Solution

The fourth proportional to 8,538.39, 11,781.47 and 4,761.26 is: 6,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.39 : 11,781.47 = 4,761.26 : x
  2. Step 2: Convert to fraction form
    8,538.39/11,781.47 = 4,761.26/x
  3. Step 3: Cross multiply
    8,538.39x = 11,781.47 × 4,761.26
  4. Step 4: Simplify right side
    8,538.39x = 56,094,559.14
  5. Step 5: Solve for x
    x = 56,094,559.14/8,538.39
  6. Step 6: Final answer
    x = 6,569.69

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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.