Home / 5,284.11-7,292.09-2,861.51

Finding the Fourth Proportional to 5,284.11, 7,292.09 and 2,861.51

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Solution

The fourth proportional to 5,284.11, 7,292.09 and 2,861.51 is: 3,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.11 : 7,292.09 = 2,861.51 : x
  2. Step 2: Convert to fraction form
    5,284.11/7,292.09 = 2,861.51/x
  3. Step 3: Cross multiply
    5,284.11x = 7,292.09 × 2,861.51
  4. Step 4: Simplify right side
    5,284.11x = 20,866,337.69
  5. Step 5: Solve for x
    x = 20,866,337.69/5,284.11
  6. Step 6: Final answer
    x = 3,948.88

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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.