Home / 4,311.79-6,467.38-1,538.15

Finding the Fourth Proportional to 4,311.79, 6,467.38 and 1,538.15

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Solution

The fourth proportional to 4,311.79, 6,467.38 and 1,538.15 is: 2,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.79 : 6,467.38 = 1,538.15 : x
  2. Step 2: Convert to fraction form
    4,311.79/6,467.38 = 1,538.15/x
  3. Step 3: Cross multiply
    4,311.79x = 6,467.38 × 1,538.15
  4. Step 4: Simplify right side
    4,311.79x = 9,947,800.55
  5. Step 5: Solve for x
    x = 9,947,800.55/4,311.79
  6. Step 6: Final answer
    x = 2,307.12

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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.