Home / 5,077.92-7,630.72-4,745.76

Finding the Fourth Proportional to 5,077.92, 7,630.72 and 4,745.76

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Solution

The fourth proportional to 5,077.92, 7,630.72 and 4,745.76 is: 7,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.92 : 7,630.72 = 4,745.76 : x
  2. Step 2: Convert to fraction form
    5,077.92/7,630.72 = 4,745.76/x
  3. Step 3: Cross multiply
    5,077.92x = 7,630.72 × 4,745.76
  4. Step 4: Simplify right side
    5,077.92x = 36,213,565.75
  5. Step 5: Solve for x
    x = 36,213,565.75/5,077.92
  6. Step 6: Final answer
    x = 7,131.57

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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.