Home / 5,078.13-7,617.20-2,000.13

Finding the Fourth Proportional to 5,078.13, 7,617.20 and 2,000.13

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Solution

The fourth proportional to 5,078.13, 7,617.20 and 2,000.13 is: 3,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.13 : 7,617.20 = 2,000.13 : x
  2. Step 2: Convert to fraction form
    5,078.13/7,617.20 = 2,000.13/x
  3. Step 3: Cross multiply
    5,078.13x = 7,617.20 × 2,000.13
  4. Step 4: Simplify right side
    5,078.13x = 15,235,390.24
  5. Step 5: Solve for x
    x = 15,235,390.24/5,078.13
  6. Step 6: Final answer
    x = 3,000.20

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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.