Home / 5,001.28-7,500.48-1,537.60

Finding the Fourth Proportional to 5,001.28, 7,500.48 and 1,537.60

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Solution

The fourth proportional to 5,001.28, 7,500.48 and 1,537.60 is: 2,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.28 : 7,500.48 = 1,537.60 : x
  2. Step 2: Convert to fraction form
    5,001.28/7,500.48 = 1,537.60/x
  3. Step 3: Cross multiply
    5,001.28x = 7,500.48 × 1,537.60
  4. Step 4: Simplify right side
    5,001.28x = 11,532,738.05
  5. Step 5: Solve for x
    x = 11,532,738.05/5,001.28
  6. Step 6: Final answer
    x = 2,305.96

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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.