Home / 5,282.19-7,290.81-3,291.57

Finding the Fourth Proportional to 5,282.19, 7,290.81 and 3,291.57

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Solution

The fourth proportional to 5,282.19, 7,290.81 and 3,291.57 is: 4,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.19 : 7,290.81 = 3,291.57 : x
  2. Step 2: Convert to fraction form
    5,282.19/7,290.81 = 3,291.57/x
  3. Step 3: Cross multiply
    5,282.19x = 7,290.81 × 3,291.57
  4. Step 4: Simplify right side
    5,282.19x = 23,998,211.47
  5. Step 5: Solve for x
    x = 23,998,211.47/5,282.19
  6. Step 6: Final answer
    x = 4,543.23

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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.