Home / 5,424.47-8,138.54-2,304.35

Finding the Fourth Proportional to 5,424.47, 8,138.54 and 2,304.35

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Solution

The fourth proportional to 5,424.47, 8,138.54 and 2,304.35 is: 3,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.47 : 8,138.54 = 2,304.35 : x
  2. Step 2: Convert to fraction form
    5,424.47/8,138.54 = 2,304.35/x
  3. Step 3: Cross multiply
    5,424.47x = 8,138.54 × 2,304.35
  4. Step 4: Simplify right side
    5,424.47x = 18,754,044.65
  5. Step 5: Solve for x
    x = 18,754,044.65/5,424.47
  6. Step 6: Final answer
    x = 3,457.30

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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.