Home / 8,931.08-13,393.88-6,175.46

Finding the Fourth Proportional to 8,931.08, 13,393.88 and 6,175.46

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Solution

The fourth proportional to 8,931.08, 13,393.88 and 6,175.46 is: 9,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.08 : 13,393.88 = 6,175.46 : x
  2. Step 2: Convert to fraction form
    8,931.08/13,393.88 = 6,175.46/x
  3. Step 3: Cross multiply
    8,931.08x = 13,393.88 × 6,175.46
  4. Step 4: Simplify right side
    8,931.08x = 82,713,287.78
  5. Step 5: Solve for x
    x = 82,713,287.78/8,931.08
  6. Step 6: Final answer
    x = 9,261.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.