Home / 7,403.79-10,216.24-4,754.78

Finding the Fourth Proportional to 7,403.79, 10,216.24 and 4,754.78

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Solution

The fourth proportional to 7,403.79, 10,216.24 and 4,754.78 is: 6,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.79 : 10,216.24 = 4,754.78 : x
  2. Step 2: Convert to fraction form
    7,403.79/10,216.24 = 4,754.78/x
  3. Step 3: Cross multiply
    7,403.79x = 10,216.24 × 4,754.78
  4. Step 4: Simplify right side
    7,403.79x = 48,575,949.85
  5. Step 5: Solve for x
    x = 48,575,949.85/7,403.79
  6. Step 6: Final answer
    x = 6,560.96

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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.