Home / 6,425.44-8,860.80-5,162.46

Finding the Fourth Proportional to 6,425.44, 8,860.80 and 5,162.46

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Solution

The fourth proportional to 6,425.44, 8,860.80 and 5,162.46 is: 7,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.44 : 8,860.80 = 5,162.46 : x
  2. Step 2: Convert to fraction form
    6,425.44/8,860.80 = 5,162.46/x
  3. Step 3: Cross multiply
    6,425.44x = 8,860.80 × 5,162.46
  4. Step 4: Simplify right side
    6,425.44x = 45,743,525.57
  5. Step 5: Solve for x
    x = 45,743,525.57/6,425.44
  6. Step 6: Final answer
    x = 7,119.13

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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.