Home / 7,437.13-11,155.83-3,540.76

Finding the Fourth Proportional to 7,437.13, 11,155.83 and 3,540.76

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Solution

The fourth proportional to 7,437.13, 11,155.83 and 3,540.76 is: 5,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.13 : 11,155.83 = 3,540.76 : x
  2. Step 2: Convert to fraction form
    7,437.13/11,155.83 = 3,540.76/x
  3. Step 3: Cross multiply
    7,437.13x = 11,155.83 × 3,540.76
  4. Step 4: Simplify right side
    7,437.13x = 39,500,116.63
  5. Step 5: Solve for x
    x = 39,500,116.63/7,437.13
  6. Step 6: Final answer
    x = 5,311.20

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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.