Home / 6,624.45-9,141.90-3,640.35

Finding the Fourth Proportional to 6,624.45, 9,141.90 and 3,640.35

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Solution

The fourth proportional to 6,624.45, 9,141.90 and 3,640.35 is: 5,023.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.45 : 9,141.90 = 3,640.35 : x
  2. Step 2: Convert to fraction form
    6,624.45/9,141.90 = 3,640.35/x
  3. Step 3: Cross multiply
    6,624.45x = 9,141.90 × 3,640.35
  4. Step 4: Simplify right side
    6,624.45x = 33,279,715.67
  5. Step 5: Solve for x
    x = 33,279,715.67/6,624.45
  6. Step 6: Final answer
    x = 5,023.77

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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.