Home / 7,871.14-10,862.33-4,514.10

Finding the Fourth Proportional to 7,871.14, 10,862.33 and 4,514.10

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Solution

The fourth proportional to 7,871.14, 10,862.33 and 4,514.10 is: 6,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.14 : 10,862.33 = 4,514.10 : x
  2. Step 2: Convert to fraction form
    7,871.14/10,862.33 = 4,514.10/x
  3. Step 3: Cross multiply
    7,871.14x = 10,862.33 × 4,514.10
  4. Step 4: Simplify right side
    7,871.14x = 49,033,643.85
  5. Step 5: Solve for x
    x = 49,033,643.85/7,871.14
  6. Step 6: Final answer
    x = 6,229.55

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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.