Home / 4,311.75-6,463.14-2,925.20

Finding the Fourth Proportional to 4,311.75, 6,463.14 and 2,925.20

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Solution

The fourth proportional to 4,311.75, 6,463.14 and 2,925.20 is: 4,384.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.75 : 6,463.14 = 2,925.20 : x
  2. Step 2: Convert to fraction form
    4,311.75/6,463.14 = 2,925.20/x
  3. Step 3: Cross multiply
    4,311.75x = 6,463.14 × 2,925.20
  4. Step 4: Simplify right side
    4,311.75x = 18,905,977.13
  5. Step 5: Solve for x
    x = 18,905,977.13/4,311.75
  6. Step 6: Final answer
    x = 4,384.76

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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.