Home / 7,437.63-11,156.45-2,820.63

Finding the Fourth Proportional to 7,437.63, 11,156.45 and 2,820.63

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Solution

The fourth proportional to 7,437.63, 11,156.45 and 2,820.63 is: 4,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.63 : 11,156.45 = 2,820.63 : x
  2. Step 2: Convert to fraction form
    7,437.63/11,156.45 = 2,820.63/x
  3. Step 3: Cross multiply
    7,437.63x = 11,156.45 × 2,820.63
  4. Step 4: Simplify right side
    7,437.63x = 31,468,217.56
  5. Step 5: Solve for x
    x = 31,468,217.56/7,437.63
  6. Step 6: Final answer
    x = 4,230.95

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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.