Home / 7,319.50-10,100.92-4,176.70

Finding the Fourth Proportional to 7,319.50, 10,100.92 and 4,176.70

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Solution

The fourth proportional to 7,319.50, 10,100.92 and 4,176.70 is: 5,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.50 : 10,100.92 = 4,176.70 : x
  2. Step 2: Convert to fraction form
    7,319.50/10,100.92 = 4,176.70/x
  3. Step 3: Cross multiply
    7,319.50x = 10,100.92 × 4,176.70
  4. Step 4: Simplify right side
    7,319.50x = 42,188,512.56
  5. Step 5: Solve for x
    x = 42,188,512.56/7,319.50
  6. Step 6: Final answer
    x = 5,763.85

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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.