Home / 7,242.08-10,861.36-3,342.74

Finding the Fourth Proportional to 7,242.08, 10,861.36 and 3,342.74

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Solution

The fourth proportional to 7,242.08, 10,861.36 and 3,342.74 is: 5,013.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.08 : 10,861.36 = 3,342.74 : x
  2. Step 2: Convert to fraction form
    7,242.08/10,861.36 = 3,342.74/x
  3. Step 3: Cross multiply
    7,242.08x = 10,861.36 × 3,342.74
  4. Step 4: Simplify right side
    7,242.08x = 36,306,639.86
  5. Step 5: Solve for x
    x = 36,306,639.86/7,242.08
  6. Step 6: Final answer
    x = 5,013.29

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1.5x scale

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.