Home / 8,538.42-11,781.84-5,002.74

Finding the Fourth Proportional to 8,538.42, 11,781.84 and 5,002.74

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Solution

The fourth proportional to 8,538.42, 11,781.84 and 5,002.74 is: 6,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.42 : 11,781.84 = 5,002.74 : x
  2. Step 2: Convert to fraction form
    8,538.42/11,781.84 = 5,002.74/x
  3. Step 3: Cross multiply
    8,538.42x = 11,781.84 × 5,002.74
  4. Step 4: Simplify right side
    8,538.42x = 58,941,482.24
  5. Step 5: Solve for x
    x = 58,941,482.24/8,538.42
  6. Step 6: Final answer
    x = 6,903.09

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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.