Home / 6,858.16-10,278.20-3,739.52

Finding the Fourth Proportional to 6,858.16, 10,278.20 and 3,739.52

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Solution

The fourth proportional to 6,858.16, 10,278.20 and 3,739.52 is: 5,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.16 : 10,278.20 = 3,739.52 : x
  2. Step 2: Convert to fraction form
    6,858.16/10,278.20 = 3,739.52/x
  3. Step 3: Cross multiply
    6,858.16x = 10,278.20 × 3,739.52
  4. Step 4: Simplify right side
    6,858.16x = 38,435,534.46
  5. Step 5: Solve for x
    x = 38,435,534.46/6,858.16
  6. Step 6: Final answer
    x = 5,604.35

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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.