Home / 6,986.68-9,641.46-3,842.80

Finding the Fourth Proportional to 6,986.68, 9,641.46 and 3,842.80

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Solution

The fourth proportional to 6,986.68, 9,641.46 and 3,842.80 is: 5,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.68 : 9,641.46 = 3,842.80 : x
  2. Step 2: Convert to fraction form
    6,986.68/9,641.46 = 3,842.80/x
  3. Step 3: Cross multiply
    6,986.68x = 9,641.46 × 3,842.80
  4. Step 4: Simplify right side
    6,986.68x = 37,050,202.49
  5. Step 5: Solve for x
    x = 37,050,202.49/6,986.68
  6. Step 6: Final answer
    x = 5,302.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.