Home / 7,524.65-10,385.24-4,879.76

Finding the Fourth Proportional to 7,524.65, 10,385.24 and 4,879.76

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Solution

The fourth proportional to 7,524.65, 10,385.24 and 4,879.76 is: 6,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.65 : 10,385.24 = 4,879.76 : x
  2. Step 2: Convert to fraction form
    7,524.65/10,385.24 = 4,879.76/x
  3. Step 3: Cross multiply
    7,524.65x = 10,385.24 × 4,879.76
  4. Step 4: Simplify right side
    7,524.65x = 50,677,402.42
  5. Step 5: Solve for x
    x = 50,677,402.42/7,524.65
  6. Step 6: Final answer
    x = 6,734.85

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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.