Home / 7,330.52-10,999.02-3,438.20

Finding the Fourth Proportional to 7,330.52, 10,999.02 and 3,438.20

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Solution

The fourth proportional to 7,330.52, 10,999.02 and 3,438.20 is: 5,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.52 : 10,999.02 = 3,438.20 : x
  2. Step 2: Convert to fraction form
    7,330.52/10,999.02 = 3,438.20/x
  3. Step 3: Cross multiply
    7,330.52x = 10,999.02 × 3,438.20
  4. Step 4: Simplify right side
    7,330.52x = 37,816,775.57
  5. Step 5: Solve for x
    x = 37,816,775.57/7,330.52
  6. Step 6: Final answer
    x = 5,158.82

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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.