Home / 4,417.28-6,625.92-1,643.88

Finding the Fourth Proportional to 4,417.28, 6,625.92 and 1,643.88

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Solution

The fourth proportional to 4,417.28, 6,625.92 and 1,643.88 is: 2,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.28 : 6,625.92 = 1,643.88 : x
  2. Step 2: Convert to fraction form
    4,417.28/6,625.92 = 1,643.88/x
  3. Step 3: Cross multiply
    4,417.28x = 6,625.92 × 1,643.88
  4. Step 4: Simplify right side
    4,417.28x = 10,892,217.37
  5. Step 5: Solve for x
    x = 10,892,217.37/4,417.28
  6. Step 6: Final answer
    x = 2,465.82

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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.