Home / 7,471.50-10,307.21-4,819.77

Finding the Fourth Proportional to 7,471.50, 10,307.21 and 4,819.77

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Solution

The fourth proportional to 7,471.50, 10,307.21 and 4,819.77 is: 6,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.50 : 10,307.21 = 4,819.77 : x
  2. Step 2: Convert to fraction form
    7,471.50/10,307.21 = 4,819.77/x
  3. Step 3: Cross multiply
    7,471.50x = 10,307.21 × 4,819.77
  4. Step 4: Simplify right side
    7,471.50x = 49,678,330.01
  5. Step 5: Solve for x
    x = 49,678,330.01/7,471.50
  6. Step 6: Final answer
    x = 6,649.04

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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.