Home / 4,610.20-6,915.31-1,322.53

Finding the Fourth Proportional to 4,610.20, 6,915.31 and 1,322.53

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Solution

The fourth proportional to 4,610.20, 6,915.31 and 1,322.53 is: 1,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.20 : 6,915.31 = 1,322.53 : x
  2. Step 2: Convert to fraction form
    4,610.20/6,915.31 = 1,322.53/x
  3. Step 3: Cross multiply
    4,610.20x = 6,915.31 × 1,322.53
  4. Step 4: Simplify right side
    4,610.20x = 9,145,684.34
  5. Step 5: Solve for x
    x = 9,145,684.34/4,610.20
  6. Step 6: Final answer
    x = 1,983.79

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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.