Home / 6,909.40-10,358.20-3,010.92

Finding the Fourth Proportional to 6,909.40, 10,358.20 and 3,010.92

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Solution

The fourth proportional to 6,909.40, 10,358.20 and 3,010.92 is: 4,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.40 : 10,358.20 = 3,010.92 : x
  2. Step 2: Convert to fraction form
    6,909.40/10,358.20 = 3,010.92/x
  3. Step 3: Cross multiply
    6,909.40x = 10,358.20 × 3,010.92
  4. Step 4: Simplify right side
    6,909.40x = 31,187,711.54
  5. Step 5: Solve for x
    x = 31,187,711.54/6,909.40
  6. Step 6: Final answer
    x = 4,513.81

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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.