Home / 8,963.32-13,445.82-2,389.90

Finding the Fourth Proportional to 8,963.32, 13,445.82 and 2,389.90

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Solution

The fourth proportional to 8,963.32, 13,445.82 and 2,389.90 is: 3,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.32 : 13,445.82 = 2,389.90 : x
  2. Step 2: Convert to fraction form
    8,963.32/13,445.82 = 2,389.90/x
  3. Step 3: Cross multiply
    8,963.32x = 13,445.82 × 2,389.90
  4. Step 4: Simplify right side
    8,963.32x = 32,134,165.22
  5. Step 5: Solve for x
    x = 32,134,165.22/8,963.32
  6. Step 6: Final answer
    x = 3,585.07

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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.