Home / 5,246.15-7,869.26-1,959.21

Finding the Fourth Proportional to 5,246.15, 7,869.26 and 1,959.21

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Solution

The fourth proportional to 5,246.15, 7,869.26 and 1,959.21 is: 2,938.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.15 : 7,869.26 = 1,959.21 : x
  2. Step 2: Convert to fraction form
    5,246.15/7,869.26 = 1,959.21/x
  3. Step 3: Cross multiply
    5,246.15x = 7,869.26 × 1,959.21
  4. Step 4: Simplify right side
    5,246.15x = 15,417,523.09
  5. Step 5: Solve for x
    x = 15,417,523.09/5,246.15
  6. Step 6: Final answer
    x = 2,938.83

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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.