Home / 5,004.47-7,511.57-4,091.20

Finding the Fourth Proportional to 5,004.47, 7,511.57 and 4,091.20

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Solution

The fourth proportional to 5,004.47, 7,511.57 and 4,091.20 is: 6,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.47 : 7,511.57 = 4,091.20 : x
  2. Step 2: Convert to fraction form
    5,004.47/7,511.57 = 4,091.20/x
  3. Step 3: Cross multiply
    5,004.47x = 7,511.57 × 4,091.20
  4. Step 4: Simplify right side
    5,004.47x = 30,731,335.18
  5. Step 5: Solve for x
    x = 30,731,335.18/5,004.47
  6. Step 6: Final answer
    x = 6,140.78

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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.