Home / 7,510.08-11,265.12-3,122.76

Finding the Fourth Proportional to 7,510.08, 11,265.12 and 3,122.76

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Solution

The fourth proportional to 7,510.08, 11,265.12 and 3,122.76 is: 4,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.08 : 11,265.12 = 3,122.76 : x
  2. Step 2: Convert to fraction form
    7,510.08/11,265.12 = 3,122.76/x
  3. Step 3: Cross multiply
    7,510.08x = 11,265.12 × 3,122.76
  4. Step 4: Simplify right side
    7,510.08x = 35,178,266.13
  5. Step 5: Solve for x
    x = 35,178,266.13/7,510.08
  6. Step 6: Final answer
    x = 4,684.14

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Double scale
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Similar ratio
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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.