Home / 6,841.40-10,255.26-3,142.04

Finding the Fourth Proportional to 6,841.40, 10,255.26 and 3,142.04

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Solution

The fourth proportional to 6,841.40, 10,255.26 and 3,142.04 is: 4,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.40 : 10,255.26 = 3,142.04 : x
  2. Step 2: Convert to fraction form
    6,841.40/10,255.26 = 3,142.04/x
  3. Step 3: Cross multiply
    6,841.40x = 10,255.26 × 3,142.04
  4. Step 4: Simplify right side
    6,841.40x = 32,222,437.13
  5. Step 5: Solve for x
    x = 32,222,437.13/6,841.40
  6. Step 6: Final answer
    x = 4,709.92

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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.