Home / 10,377.12-15,545.10-4,822.80

Finding the Fourth Proportional to 10,377.12, 15,545.10 and 4,822.80

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Solution

The fourth proportional to 10,377.12, 15,545.10 and 4,822.80 is: 7,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.12 : 15,545.10 = 4,822.80 : x
  2. Step 2: Convert to fraction form
    10,377.12/15,545.10 = 4,822.80/x
  3. Step 3: Cross multiply
    10,377.12x = 15,545.10 × 4,822.80
  4. Step 4: Simplify right side
    10,377.12x = 74,970,908.28
  5. Step 5: Solve for x
    x = 74,970,908.28/10,377.12
  6. Step 6: Final answer
    x = 7,224.64

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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.