Home / 4,327.85-6,492.60-1,405.78

Finding the Fourth Proportional to 4,327.85, 6,492.60 and 1,405.78

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Solution

The fourth proportional to 4,327.85, 6,492.60 and 1,405.78 is: 2,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.85 : 6,492.60 = 1,405.78 : x
  2. Step 2: Convert to fraction form
    4,327.85/6,492.60 = 1,405.78/x
  3. Step 3: Cross multiply
    4,327.85x = 6,492.60 × 1,405.78
  4. Step 4: Simplify right side
    4,327.85x = 9,127,151.00
  5. Step 5: Solve for x
    x = 9,127,151.00/4,327.85
  6. Step 6: Final answer
    x = 2,108.93

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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.