Home / 10,268.33-15,400.22-2,870.79

Finding the Fourth Proportional to 10,268.33, 15,400.22 and 2,870.79

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Solution

The fourth proportional to 10,268.33, 15,400.22 and 2,870.79 is: 4,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.33 : 15,400.22 = 2,870.79 : x
  2. Step 2: Convert to fraction form
    10,268.33/15,400.22 = 2,870.79/x
  3. Step 3: Cross multiply
    10,268.33x = 15,400.22 × 2,870.79
  4. Step 4: Simplify right side
    10,268.33x = 44,210,783.22
  5. Step 5: Solve for x
    x = 44,210,783.22/10,268.33
  6. Step 6: Final answer
    x = 4,305.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.