Home / 7,209.16-10,811.76-4,572.76

Finding the Fourth Proportional to 7,209.16, 10,811.76 and 4,572.76

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Solution

The fourth proportional to 7,209.16, 10,811.76 and 4,572.76 is: 6,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.16 : 10,811.76 = 4,572.76 : x
  2. Step 2: Convert to fraction form
    7,209.16/10,811.76 = 4,572.76/x
  3. Step 3: Cross multiply
    7,209.16x = 10,811.76 × 4,572.76
  4. Step 4: Simplify right side
    7,209.16x = 49,439,583.66
  5. Step 5: Solve for x
    x = 49,439,583.66/7,209.16
  6. Step 6: Final answer
    x = 6,857.88

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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.