Home / 8,934.72-13,399.92-5,762.49

Finding the Fourth Proportional to 8,934.72, 13,399.92 and 5,762.49

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Solution

The fourth proportional to 8,934.72, 13,399.92 and 5,762.49 is: 8,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.72 : 13,399.92 = 5,762.49 : x
  2. Step 2: Convert to fraction form
    8,934.72/13,399.92 = 5,762.49/x
  3. Step 3: Cross multiply
    8,934.72x = 13,399.92 × 5,762.49
  4. Step 4: Simplify right side
    8,934.72x = 77,216,905.00
  5. Step 5: Solve for x
    x = 77,216,905.00/8,934.72
  6. Step 6: Final answer
    x = 8,642.34

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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.