Home / 6,624.64-9,937.88-3,118.24

Finding the Fourth Proportional to 6,624.64, 9,937.88 and 3,118.24

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Solution

The fourth proportional to 6,624.64, 9,937.88 and 3,118.24 is: 4,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.64 : 9,937.88 = 3,118.24 : x
  2. Step 2: Convert to fraction form
    6,624.64/9,937.88 = 3,118.24/x
  3. Step 3: Cross multiply
    6,624.64x = 9,937.88 × 3,118.24
  4. Step 4: Simplify right side
    6,624.64x = 30,988,694.93
  5. Step 5: Solve for x
    x = 30,988,694.93/6,624.64
  6. Step 6: Final answer
    x = 4,677.79

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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.