Home / 8,901.24-13,345.71-3,901.21

Finding the Fourth Proportional to 8,901.24, 13,345.71 and 3,901.21

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Solution

The fourth proportional to 8,901.24, 13,345.71 and 3,901.21 is: 5,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.24 : 13,345.71 = 3,901.21 : x
  2. Step 2: Convert to fraction form
    8,901.24/13,345.71 = 3,901.21/x
  3. Step 3: Cross multiply
    8,901.24x = 13,345.71 × 3,901.21
  4. Step 4: Simplify right side
    8,901.24x = 52,064,466.33
  5. Step 5: Solve for x
    x = 52,064,466.33/8,901.24
  6. Step 6: Final answer
    x = 5,849.12

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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.