Home / 6,427.68-8,870.36-3,633.18

Finding the Fourth Proportional to 6,427.68, 8,870.36 and 3,633.18

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Solution

The fourth proportional to 6,427.68, 8,870.36 and 3,633.18 is: 5,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.68 : 8,870.36 = 3,633.18 : x
  2. Step 2: Convert to fraction form
    6,427.68/8,870.36 = 3,633.18/x
  3. Step 3: Cross multiply
    6,427.68x = 8,870.36 × 3,633.18
  4. Step 4: Simplify right side
    6,427.68x = 32,227,614.54
  5. Step 5: Solve for x
    x = 32,227,614.54/6,427.68
  6. Step 6: Final answer
    x = 5,013.88

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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.