Home / 4,889.20-7,337.40-3,245.20

Finding the Fourth Proportional to 4,889.20, 7,337.40 and 3,245.20

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Solution

The fourth proportional to 4,889.20, 7,337.40 and 3,245.20 is: 4,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.20 : 7,337.40 = 3,245.20 : x
  2. Step 2: Convert to fraction form
    4,889.20/7,337.40 = 3,245.20/x
  3. Step 3: Cross multiply
    4,889.20x = 7,337.40 × 3,245.20
  4. Step 4: Simplify right side
    4,889.20x = 23,811,330.48
  5. Step 5: Solve for x
    x = 23,811,330.48/4,889.20
  6. Step 6: Final answer
    x = 4,870.19

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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.