Home / 7,515.92-11,269.13-4,003.76

Finding the Fourth Proportional to 7,515.92, 11,269.13 and 4,003.76

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Solution

The fourth proportional to 7,515.92, 11,269.13 and 4,003.76 is: 6,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.92 : 11,269.13 = 4,003.76 : x
  2. Step 2: Convert to fraction form
    7,515.92/11,269.13 = 4,003.76/x
  3. Step 3: Cross multiply
    7,515.92x = 11,269.13 × 4,003.76
  4. Step 4: Simplify right side
    7,515.92x = 45,118,900.08
  5. Step 5: Solve for x
    x = 45,118,900.08/7,515.92
  6. Step 6: Final answer
    x = 6,003.11

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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.