Home / 4,353.30-6,531.08-1,887.55

Finding the Fourth Proportional to 4,353.30, 6,531.08 and 1,887.55

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Solution

The fourth proportional to 4,353.30, 6,531.08 and 1,887.55 is: 2,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,353.30 : 6,531.08 = 1,887.55 : x
  2. Step 2: Convert to fraction form
    4,353.30/6,531.08 = 1,887.55/x
  3. Step 3: Cross multiply
    4,353.30x = 6,531.08 × 1,887.55
  4. Step 4: Simplify right side
    4,353.30x = 12,327,740.05
  5. Step 5: Solve for x
    x = 12,327,740.05/4,353.30
  6. Step 6: Final answer
    x = 2,831.81

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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.