Home / 8,681.52-13,023.36-3,134.16

Finding the Fourth Proportional to 8,681.52, 13,023.36 and 3,134.16

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Solution

The fourth proportional to 8,681.52, 13,023.36 and 3,134.16 is: 4,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.52 : 13,023.36 = 3,134.16 : x
  2. Step 2: Convert to fraction form
    8,681.52/13,023.36 = 3,134.16/x
  3. Step 3: Cross multiply
    8,681.52x = 13,023.36 × 3,134.16
  4. Step 4: Simplify right side
    8,681.52x = 40,817,293.98
  5. Step 5: Solve for x
    x = 40,817,293.98/8,681.52
  6. Step 6: Final answer
    x = 4,701.63

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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.