Home / 7,337.10-10,125.28-3,979.92

Finding the Fourth Proportional to 7,337.10, 10,125.28 and 3,979.92

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Solution

The fourth proportional to 7,337.10, 10,125.28 and 3,979.92 is: 5,492.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.10 : 10,125.28 = 3,979.92 : x
  2. Step 2: Convert to fraction form
    7,337.10/10,125.28 = 3,979.92/x
  3. Step 3: Cross multiply
    7,337.10x = 10,125.28 × 3,979.92
  4. Step 4: Simplify right side
    7,337.10x = 40,297,804.38
  5. Step 5: Solve for x
    x = 40,297,804.38/7,337.10
  6. Step 6: Final answer
    x = 5,492.33

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1.5x scale

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.