Home / 5,681.26-7,841.35-3,291.65

Finding the Fourth Proportional to 5,681.26, 7,841.35 and 3,291.65

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Solution

The fourth proportional to 5,681.26, 7,841.35 and 3,291.65 is: 4,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.26 : 7,841.35 = 3,291.65 : x
  2. Step 2: Convert to fraction form
    5,681.26/7,841.35 = 3,291.65/x
  3. Step 3: Cross multiply
    5,681.26x = 7,841.35 × 3,291.65
  4. Step 4: Simplify right side
    5,681.26x = 25,810,979.73
  5. Step 5: Solve for x
    x = 25,810,979.73/5,681.26
  6. Step 6: Final answer
    x = 4,543.18

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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.