Home / 4,298.67-6,443.19-2,215.76

Finding the Fourth Proportional to 4,298.67, 6,443.19 and 2,215.76

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Solution

The fourth proportional to 4,298.67, 6,443.19 and 2,215.76 is: 3,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.67 : 6,443.19 = 2,215.76 : x
  2. Step 2: Convert to fraction form
    4,298.67/6,443.19 = 2,215.76/x
  3. Step 3: Cross multiply
    4,298.67x = 6,443.19 × 2,215.76
  4. Step 4: Simplify right side
    4,298.67x = 14,276,530.46
  5. Step 5: Solve for x
    x = 14,276,530.46/4,298.67
  6. Step 6: Final answer
    x = 3,321.15

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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.