Home / 7,491.89-11,230.30-2,558.18

Finding the Fourth Proportional to 7,491.89, 11,230.30 and 2,558.18

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Solution

The fourth proportional to 7,491.89, 11,230.30 and 2,558.18 is: 3,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.89 : 11,230.30 = 2,558.18 : x
  2. Step 2: Convert to fraction form
    7,491.89/11,230.30 = 2,558.18/x
  3. Step 3: Cross multiply
    7,491.89x = 11,230.30 × 2,558.18
  4. Step 4: Simplify right side
    7,491.89x = 28,729,145.74
  5. Step 5: Solve for x
    x = 28,729,145.74/7,491.89
  6. Step 6: Final answer
    x = 3,834.70

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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.