Home / 4,003.40-6,003.48-1,538.30

Finding the Fourth Proportional to 4,003.40, 6,003.48 and 1,538.30

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Solution

The fourth proportional to 4,003.40, 6,003.48 and 1,538.30 is: 2,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.40 : 6,003.48 = 1,538.30 : x
  2. Step 2: Convert to fraction form
    4,003.40/6,003.48 = 1,538.30/x
  3. Step 3: Cross multiply
    4,003.40x = 6,003.48 × 1,538.30
  4. Step 4: Simplify right side
    4,003.40x = 9,235,153.28
  5. Step 5: Solve for x
    x = 9,235,153.28/4,003.40
  6. Step 6: Final answer
    x = 2,306.83

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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.