Home / 7,269.20-10,031.88-4,125.32

Finding the Fourth Proportional to 7,269.20, 10,031.88 and 4,125.32

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Solution

The fourth proportional to 7,269.20, 10,031.88 and 4,125.32 is: 5,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.20 : 10,031.88 = 4,125.32 : x
  2. Step 2: Convert to fraction form
    7,269.20/10,031.88 = 4,125.32/x
  3. Step 3: Cross multiply
    7,269.20x = 10,031.88 × 4,125.32
  4. Step 4: Simplify right side
    7,269.20x = 41,384,665.04
  5. Step 5: Solve for x
    x = 41,384,665.04/7,269.20
  6. Step 6: Final answer
    x = 5,693.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.