Home / 8,911.17-13,372.65-4,754.16

Finding the Fourth Proportional to 8,911.17, 13,372.65 and 4,754.16

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Solution

The fourth proportional to 8,911.17, 13,372.65 and 4,754.16 is: 7,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.17 : 13,372.65 = 4,754.16 : x
  2. Step 2: Convert to fraction form
    8,911.17/13,372.65 = 4,754.16/x
  3. Step 3: Cross multiply
    8,911.17x = 13,372.65 × 4,754.16
  4. Step 4: Simplify right side
    8,911.17x = 63,575,717.72
  5. Step 5: Solve for x
    x = 63,575,717.72/8,911.17
  6. Step 6: Final answer
    x = 7,134.39

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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.