Home / 4,265.80-5,886.40-3,147.36

Finding the Fourth Proportional to 4,265.80, 5,886.40 and 3,147.36

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Solution

The fourth proportional to 4,265.80, 5,886.40 and 3,147.36 is: 4,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.80 : 5,886.40 = 3,147.36 : x
  2. Step 2: Convert to fraction form
    4,265.80/5,886.40 = 3,147.36/x
  3. Step 3: Cross multiply
    4,265.80x = 5,886.40 × 3,147.36
  4. Step 4: Simplify right side
    4,265.80x = 18,526,619.90
  5. Step 5: Solve for x
    x = 18,526,619.90/4,265.80
  6. Step 6: Final answer
    x = 4,343.06

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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.