Home / 4,478.28-6,718.11-2,285.82

Finding the Fourth Proportional to 4,478.28, 6,718.11 and 2,285.82

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Solution

The fourth proportional to 4,478.28, 6,718.11 and 2,285.82 is: 3,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.28 : 6,718.11 = 2,285.82 : x
  2. Step 2: Convert to fraction form
    4,478.28/6,718.11 = 2,285.82/x
  3. Step 3: Cross multiply
    4,478.28x = 6,718.11 × 2,285.82
  4. Step 4: Simplify right side
    4,478.28x = 15,356,390.20
  5. Step 5: Solve for x
    x = 15,356,390.20/4,478.28
  6. Step 6: Final answer
    x = 3,429.08

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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.