Home / 5,538.56-8,306.40-1,642.05

Finding the Fourth Proportional to 5,538.56, 8,306.40 and 1,642.05

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Solution

The fourth proportional to 5,538.56, 8,306.40 and 1,642.05 is: 2,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.56 : 8,306.40 = 1,642.05 : x
  2. Step 2: Convert to fraction form
    5,538.56/8,306.40 = 1,642.05/x
  3. Step 3: Cross multiply
    5,538.56x = 8,306.40 × 1,642.05
  4. Step 4: Simplify right side
    5,538.56x = 13,639,524.12
  5. Step 5: Solve for x
    x = 13,639,524.12/5,538.56
  6. Step 6: Final answer
    x = 2,462.65

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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.