Home / 5,447.61-8,178.98-3,610.53

Finding the Fourth Proportional to 5,447.61, 8,178.98 and 3,610.53

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Solution

The fourth proportional to 5,447.61, 8,178.98 and 3,610.53 is: 5,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.61 : 8,178.98 = 3,610.53 : x
  2. Step 2: Convert to fraction form
    5,447.61/8,178.98 = 3,610.53/x
  3. Step 3: Cross multiply
    5,447.61x = 8,178.98 × 3,610.53
  4. Step 4: Simplify right side
    5,447.61x = 29,530,434.61
  5. Step 5: Solve for x
    x = 29,530,434.61/5,447.61
  6. Step 6: Final answer
    x = 5,420.81

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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.