Home / 7,432.16-11,151.90-2,989.65

Finding the Fourth Proportional to 7,432.16, 11,151.90 and 2,989.65

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Solution

The fourth proportional to 7,432.16, 11,151.90 and 2,989.65 is: 4,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.16 : 11,151.90 = 2,989.65 : x
  2. Step 2: Convert to fraction form
    7,432.16/11,151.90 = 2,989.65/x
  3. Step 3: Cross multiply
    7,432.16x = 11,151.90 × 2,989.65
  4. Step 4: Simplify right side
    7,432.16x = 33,340,277.84
  5. Step 5: Solve for x
    x = 33,340,277.84/7,432.16
  6. Step 6: Final answer
    x = 4,485.95

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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.