Home / 6,458.96-9,689.52-2,077.76

Finding the Fourth Proportional to 6,458.96, 9,689.52 and 2,077.76

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Solution

The fourth proportional to 6,458.96, 9,689.52 and 2,077.76 is: 3,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.96 : 9,689.52 = 2,077.76 : x
  2. Step 2: Convert to fraction form
    6,458.96/9,689.52 = 2,077.76/x
  3. Step 3: Cross multiply
    6,458.96x = 9,689.52 × 2,077.76
  4. Step 4: Simplify right side
    6,458.96x = 20,132,497.08
  5. Step 5: Solve for x
    x = 20,132,497.08/6,458.96
  6. Step 6: Final answer
    x = 3,116.99

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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.