Home / 6,842.41-9,442.28-3,857.87

Finding the Fourth Proportional to 6,842.41, 9,442.28 and 3,857.87

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Solution

The fourth proportional to 6,842.41, 9,442.28 and 3,857.87 is: 5,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.41 : 9,442.28 = 3,857.87 : x
  2. Step 2: Convert to fraction form
    6,842.41/9,442.28 = 3,857.87/x
  3. Step 3: Cross multiply
    6,842.41x = 9,442.28 × 3,857.87
  4. Step 4: Simplify right side
    6,842.41x = 36,427,088.74
  5. Step 5: Solve for x
    x = 36,427,088.74/6,842.41
  6. Step 6: Final answer
    x = 5,323.72

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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.