Home / 6,624.77-9,142.40-3,640.88

Finding the Fourth Proportional to 6,624.77, 9,142.40 and 3,640.88

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Solution

The fourth proportional to 6,624.77, 9,142.40 and 3,640.88 is: 5,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.77 : 9,142.40 = 3,640.88 : x
  2. Step 2: Convert to fraction form
    6,624.77/9,142.40 = 3,640.88/x
  3. Step 3: Cross multiply
    6,624.77x = 9,142.40 × 3,640.88
  4. Step 4: Simplify right side
    6,624.77x = 33,286,363.11
  5. Step 5: Solve for x
    x = 33,286,363.11/6,624.77
  6. Step 6: Final answer
    x = 5,024.53

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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.