Home / 5,003.92-7,505.40-1,541.20

Finding the Fourth Proportional to 5,003.92, 7,505.40 and 1,541.20

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Solution

The fourth proportional to 5,003.92, 7,505.40 and 1,541.20 is: 2,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.92 : 7,505.40 = 1,541.20 : x
  2. Step 2: Convert to fraction form
    5,003.92/7,505.40 = 1,541.20/x
  3. Step 3: Cross multiply
    5,003.92x = 7,505.40 × 1,541.20
  4. Step 4: Simplify right side
    5,003.92x = 11,567,322.48
  5. Step 5: Solve for x
    x = 11,567,322.48/5,003.92
  6. Step 6: Final answer
    x = 2,311.65

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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.