Home / 6,456.56-9,688.48-2,758.46

Finding the Fourth Proportional to 6,456.56, 9,688.48 and 2,758.46

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Solution

The fourth proportional to 6,456.56, 9,688.48 and 2,758.46 is: 4,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.56 : 9,688.48 = 2,758.46 : x
  2. Step 2: Convert to fraction form
    6,456.56/9,688.48 = 2,758.46/x
  3. Step 3: Cross multiply
    6,456.56x = 9,688.48 × 2,758.46
  4. Step 4: Simplify right side
    6,456.56x = 26,725,229.20
  5. Step 5: Solve for x
    x = 26,725,229.20/6,456.56
  6. Step 6: Final answer
    x = 4,139.24

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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.