Home / 4,077.12-6,113.52-1,479

Finding the Fourth Proportional to 4,077.12, 6,113.52 and 1,479

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Solution

The fourth proportional to 4,077.12, 6,113.52 and 1,479 is: 2,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.12 : 6,113.52 = 1,479 : x
  2. Step 2: Convert to fraction form
    4,077.12/6,113.52 = 1,479/x
  3. Step 3: Cross multiply
    4,077.12x = 6,113.52 × 1,479
  4. Step 4: Simplify right side
    4,077.12x = 9,041,896.08
  5. Step 5: Solve for x
    x = 9,041,896.08/4,077.12
  6. Step 6: Final answer
    x = 2,217.72

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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.