Home / 8,972.30-13,458.51-3,424.16

Finding the Fourth Proportional to 8,972.30, 13,458.51 and 3,424.16

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Solution

The fourth proportional to 8,972.30, 13,458.51 and 3,424.16 is: 5,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.30 : 13,458.51 = 3,424.16 : x
  2. Step 2: Convert to fraction form
    8,972.30/13,458.51 = 3,424.16/x
  3. Step 3: Cross multiply
    8,972.30x = 13,458.51 × 3,424.16
  4. Step 4: Simplify right side
    8,972.30x = 46,084,024.31
  5. Step 5: Solve for x
    x = 46,084,024.31/8,972.30
  6. Step 6: Final answer
    x = 5,136.26

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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.