Home / 6,871.27-9,482.38-3,887.04

Finding the Fourth Proportional to 6,871.27, 9,482.38 and 3,887.04

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Solution

The fourth proportional to 6,871.27, 9,482.38 and 3,887.04 is: 5,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.27 : 9,482.38 = 3,887.04 : x
  2. Step 2: Convert to fraction form
    6,871.27/9,482.38 = 3,887.04/x
  3. Step 3: Cross multiply
    6,871.27x = 9,482.38 × 3,887.04
  4. Step 4: Simplify right side
    6,871.27x = 36,858,384.72
  5. Step 5: Solve for x
    x = 36,858,384.72/6,871.27
  6. Step 6: Final answer
    x = 5,364.13

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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.