Home / 7,257.40-10,869.90-5,961.40

Finding the Fourth Proportional to 7,257.40, 10,869.90 and 5,961.40

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Solution

The fourth proportional to 7,257.40, 10,869.90 and 5,961.40 is: 8,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.40 : 10,869.90 = 5,961.40 : x
  2. Step 2: Convert to fraction form
    7,257.40/10,869.90 = 5,961.40/x
  3. Step 3: Cross multiply
    7,257.40x = 10,869.90 × 5,961.40
  4. Step 4: Simplify right side
    7,257.40x = 64,799,821.86
  5. Step 5: Solve for x
    x = 64,799,821.86/7,257.40
  6. Step 6: Final answer
    x = 8,928.79

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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.