Home / 6,456.59-9,688.97-2,758.85

Finding the Fourth Proportional to 6,456.59, 9,688.97 and 2,758.85

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Solution

The fourth proportional to 6,456.59, 9,688.97 and 2,758.85 is: 4,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.59 : 9,688.97 = 2,758.85 : x
  2. Step 2: Convert to fraction form
    6,456.59/9,688.97 = 2,758.85/x
  3. Step 3: Cross multiply
    6,456.59x = 9,688.97 × 2,758.85
  4. Step 4: Simplify right side
    6,456.59x = 26,730,352.65
  5. Step 5: Solve for x
    x = 26,730,352.65/6,456.59
  6. Step 6: Final answer
    x = 4,140.01

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1.5x scale

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.