Home / 6,657.40-9,986.10-2,708.65

Finding the Fourth Proportional to 6,657.40, 9,986.10 and 2,708.65

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Solution

The fourth proportional to 6,657.40, 9,986.10 and 2,708.65 is: 4,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,657.40 : 9,986.10 = 2,708.65 : x
  2. Step 2: Convert to fraction form
    6,657.40/9,986.10 = 2,708.65/x
  3. Step 3: Cross multiply
    6,657.40x = 9,986.10 × 2,708.65
  4. Step 4: Simplify right side
    6,657.40x = 27,048,849.77
  5. Step 5: Solve for x
    x = 27,048,849.77/6,657.40
  6. Step 6: Final answer
    x = 4,062.98

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Similar ratio
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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.