Home / 7,242.32-10,864.37-2,561.36

Finding the Fourth Proportional to 7,242.32, 10,864.37 and 2,561.36

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Solution

The fourth proportional to 7,242.32, 10,864.37 and 2,561.36 is: 3,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.32 : 10,864.37 = 2,561.36 : x
  2. Step 2: Convert to fraction form
    7,242.32/10,864.37 = 2,561.36/x
  3. Step 3: Cross multiply
    7,242.32x = 10,864.37 × 2,561.36
  4. Step 4: Simplify right side
    7,242.32x = 27,827,562.74
  5. Step 5: Solve for x
    x = 27,827,562.74/7,242.32
  6. Step 6: Final answer
    x = 3,842.35

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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.