Home / 5,008.52-6,909.45-3,240.70

Finding the Fourth Proportional to 5,008.52, 6,909.45 and 3,240.70

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Solution

The fourth proportional to 5,008.52, 6,909.45 and 3,240.70 is: 4,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.52 : 6,909.45 = 3,240.70 : x
  2. Step 2: Convert to fraction form
    5,008.52/6,909.45 = 3,240.70/x
  3. Step 3: Cross multiply
    5,008.52x = 6,909.45 × 3,240.70
  4. Step 4: Simplify right side
    5,008.52x = 22,391,454.62
  5. Step 5: Solve for x
    x = 22,391,454.62/5,008.52
  6. Step 6: Final answer
    x = 4,470.67

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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.