Home / 6,871.24-9,482.34-3,727.72

Finding the Fourth Proportional to 6,871.24, 9,482.34 and 3,727.72

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Solution

The fourth proportional to 6,871.24, 9,482.34 and 3,727.72 is: 5,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.24 : 9,482.34 = 3,727.72 : x
  2. Step 2: Convert to fraction form
    6,871.24/9,482.34 = 3,727.72/x
  3. Step 3: Cross multiply
    6,871.24x = 9,482.34 × 3,727.72
  4. Step 4: Simplify right side
    6,871.24x = 35,347,508.46
  5. Step 5: Solve for x
    x = 35,347,508.46/6,871.24
  6. Step 6: Final answer
    x = 5,144.27

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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.