Home / 5,039.20-6,957.48-3,858.16

Finding the Fourth Proportional to 5,039.20, 6,957.48 and 3,858.16

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Solution

The fourth proportional to 5,039.20, 6,957.48 and 3,858.16 is: 5,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.20 : 6,957.48 = 3,858.16 : x
  2. Step 2: Convert to fraction form
    5,039.20/6,957.48 = 3,858.16/x
  3. Step 3: Cross multiply
    5,039.20x = 6,957.48 × 3,858.16
  4. Step 4: Simplify right side
    5,039.20x = 26,843,071.04
  5. Step 5: Solve for x
    x = 26,843,071.04/5,039.20
  6. Step 6: Final answer
    x = 5,326.85

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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.