Home / 5,438.89-8,153.62-3,243.00

Finding the Fourth Proportional to 5,438.89, 8,153.62 and 3,243.00

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Solution

The fourth proportional to 5,438.89, 8,153.62 and 3,243.00 is: 4,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.89 : 8,153.62 = 3,243.00 : x
  2. Step 2: Convert to fraction form
    5,438.89/8,153.62 = 3,243.00/x
  3. Step 3: Cross multiply
    5,438.89x = 8,153.62 × 3,243.00
  4. Step 4: Simplify right side
    5,438.89x = 26,442,224.29
  5. Step 5: Solve for x
    x = 26,442,224.29/5,438.89
  6. Step 6: Final answer
    x = 4,861.70

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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.