Home / 8,944.95-12,344.09-5,589.72

Finding the Fourth Proportional to 8,944.95, 12,344.09 and 5,589.72

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Solution

The fourth proportional to 8,944.95, 12,344.09 and 5,589.72 is: 7,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.95 : 12,344.09 = 5,589.72 : x
  2. Step 2: Convert to fraction form
    8,944.95/12,344.09 = 5,589.72/x
  3. Step 3: Cross multiply
    8,944.95x = 12,344.09 × 5,589.72
  4. Step 4: Simplify right side
    8,944.95x = 68,999,978.81
  5. Step 5: Solve for x
    x = 68,999,978.81/8,944.95
  6. Step 6: Final answer
    x = 7,713.85

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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.