Home / 6,842.18-9,441.87-3,858.02

Finding the Fourth Proportional to 6,842.18, 9,441.87 and 3,858.02

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Solution

The fourth proportional to 6,842.18, 9,441.87 and 3,858.02 is: 5,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,842.18 : 9,441.87 = 3,858.02 : x
  2. Step 2: Convert to fraction form
    6,842.18/9,441.87 = 3,858.02/x
  3. Step 3: Cross multiply
    6,842.18x = 9,441.87 × 3,858.02
  4. Step 4: Simplify right side
    6,842.18x = 36,426,876.09
  5. Step 5: Solve for x
    x = 36,426,876.09/6,842.18
  6. Step 6: Final answer
    x = 5,323.87

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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.