Home / 5,385.35-7,431.89-3,027.53

Finding the Fourth Proportional to 5,385.35, 7,431.89 and 3,027.53

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Solution

The fourth proportional to 5,385.35, 7,431.89 and 3,027.53 is: 4,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.35 : 7,431.89 = 3,027.53 : x
  2. Step 2: Convert to fraction form
    5,385.35/7,431.89 = 3,027.53/x
  3. Step 3: Cross multiply
    5,385.35x = 7,431.89 × 3,027.53
  4. Step 4: Simplify right side
    5,385.35x = 22,500,217.63
  5. Step 5: Solve for x
    x = 22,500,217.63/5,385.35
  6. Step 6: Final answer
    x = 4,178.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.