Home / 4,812.38-7,218.48-1,525.70

Finding the Fourth Proportional to 4,812.38, 7,218.48 and 1,525.70

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Solution

The fourth proportional to 4,812.38, 7,218.48 and 1,525.70 is: 2,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.38 : 7,218.48 = 1,525.70 : x
  2. Step 2: Convert to fraction form
    4,812.38/7,218.48 = 1,525.70/x
  3. Step 3: Cross multiply
    4,812.38x = 7,218.48 × 1,525.70
  4. Step 4: Simplify right side
    4,812.38x = 11,013,234.94
  5. Step 5: Solve for x
    x = 11,013,234.94/4,812.38
  6. Step 6: Final answer
    x = 2,288.52

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Half scale
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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.