Home / 7,171.18-10,758.38-2,491.26

Finding the Fourth Proportional to 7,171.18, 10,758.38 and 2,491.26

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Solution

The fourth proportional to 7,171.18, 10,758.38 and 2,491.26 is: 3,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.18 : 10,758.38 = 2,491.26 : x
  2. Step 2: Convert to fraction form
    7,171.18/10,758.38 = 2,491.26/x
  3. Step 3: Cross multiply
    7,171.18x = 10,758.38 × 2,491.26
  4. Step 4: Simplify right side
    7,171.18x = 26,801,921.76
  5. Step 5: Solve for x
    x = 26,801,921.76/7,171.18
  6. Step 6: Final answer
    x = 3,737.45

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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.