Home / 7,552.13-11,328.21-2,621.78

Finding the Fourth Proportional to 7,552.13, 11,328.21 and 2,621.78

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Solution

The fourth proportional to 7,552.13, 11,328.21 and 2,621.78 is: 3,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.13 : 11,328.21 = 2,621.78 : x
  2. Step 2: Convert to fraction form
    7,552.13/11,328.21 = 2,621.78/x
  3. Step 3: Cross multiply
    7,552.13x = 11,328.21 × 2,621.78
  4. Step 4: Simplify right side
    7,552.13x = 29,700,074.41
  5. Step 5: Solve for x
    x = 29,700,074.41/7,552.13
  6. Step 6: Final answer
    x = 3,932.68

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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.