Home / 8,931.56-13,399.96-4,000.10

Finding the Fourth Proportional to 8,931.56, 13,399.96 and 4,000.10

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Solution

The fourth proportional to 8,931.56, 13,399.96 and 4,000.10 is: 6,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.56 : 13,399.96 = 4,000.10 : x
  2. Step 2: Convert to fraction form
    8,931.56/13,399.96 = 4,000.10/x
  3. Step 3: Cross multiply
    8,931.56x = 13,399.96 × 4,000.10
  4. Step 4: Simplify right side
    8,931.56x = 53,601,180.00
  5. Step 5: Solve for x
    x = 53,601,180.00/8,931.56
  6. Step 6: Final answer
    x = 6,001.32

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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.