Home / 4,427.20-6,109.36-2,538.32

Finding the Fourth Proportional to 4,427.20, 6,109.36 and 2,538.32

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Solution

The fourth proportional to 4,427.20, 6,109.36 and 2,538.32 is: 3,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.20 : 6,109.36 = 2,538.32 : x
  2. Step 2: Convert to fraction form
    4,427.20/6,109.36 = 2,538.32/x
  3. Step 3: Cross multiply
    4,427.20x = 6,109.36 × 2,538.32
  4. Step 4: Simplify right side
    4,427.20x = 15,507,510.68
  5. Step 5: Solve for x
    x = 15,507,510.68/4,427.20
  6. Step 6: Final answer
    x = 3,502.78

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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.