Home / 7,432.40-11,148.60-3,933.20

Finding the Fourth Proportional to 7,432.40, 11,148.60 and 3,933.20

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Solution

The fourth proportional to 7,432.40, 11,148.60 and 3,933.20 is: 5,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.40 : 11,148.60 = 3,933.20 : x
  2. Step 2: Convert to fraction form
    7,432.40/11,148.60 = 3,933.20/x
  3. Step 3: Cross multiply
    7,432.40x = 11,148.60 × 3,933.20
  4. Step 4: Simplify right side
    7,432.40x = 43,849,673.52
  5. Step 5: Solve for x
    x = 43,849,673.52/7,432.40
  6. Step 6: Final answer
    x = 5,899.80

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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.