Home / 5,633.28-8,408.88-5,171.04

Finding the Fourth Proportional to 5,633.28, 8,408.88 and 5,171.04

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Solution

The fourth proportional to 5,633.28, 8,408.88 and 5,171.04 is: 7,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.28 : 8,408.88 = 5,171.04 : x
  2. Step 2: Convert to fraction form
    5,633.28/8,408.88 = 5,171.04/x
  3. Step 3: Cross multiply
    5,633.28x = 8,408.88 × 5,171.04
  4. Step 4: Simplify right side
    5,633.28x = 43,482,654.84
  5. Step 5: Solve for x
    x = 43,482,654.84/5,633.28
  6. Step 6: Final answer
    x = 7,718.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.