Home / 5,077.28-7,000.26-3,883.72

Finding the Fourth Proportional to 5,077.28, 7,000.26 and 3,883.72

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Solution

The fourth proportional to 5,077.28, 7,000.26 and 3,883.72 is: 5,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.28 : 7,000.26 = 3,883.72 : x
  2. Step 2: Convert to fraction form
    5,077.28/7,000.26 = 3,883.72/x
  3. Step 3: Cross multiply
    5,077.28x = 7,000.26 × 3,883.72
  4. Step 4: Simplify right side
    5,077.28x = 27,187,049.77
  5. Step 5: Solve for x
    x = 27,187,049.77/5,077.28
  6. Step 6: Final answer
    x = 5,354.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.