Home / 6,589.28-9,881.53-1,908.02

Finding the Fourth Proportional to 6,589.28, 9,881.53 and 1,908.02

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Solution

The fourth proportional to 6,589.28, 9,881.53 and 1,908.02 is: 2,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.28 : 9,881.53 = 1,908.02 : x
  2. Step 2: Convert to fraction form
    6,589.28/9,881.53 = 1,908.02/x
  3. Step 3: Cross multiply
    6,589.28x = 9,881.53 × 1,908.02
  4. Step 4: Simplify right side
    6,589.28x = 18,854,176.80
  5. Step 5: Solve for x
    x = 18,854,176.80/6,589.28
  6. Step 6: Final answer
    x = 2,861.34

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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.