Home / 7,242.36-10,864.89-2,312.43

Finding the Fourth Proportional to 7,242.36, 10,864.89 and 2,312.43

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Solution

The fourth proportional to 7,242.36, 10,864.89 and 2,312.43 is: 3,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.36 : 10,864.89 = 2,312.43 : x
  2. Step 2: Convert to fraction form
    7,242.36/10,864.89 = 2,312.43/x
  3. Step 3: Cross multiply
    7,242.36x = 10,864.89 × 2,312.43
  4. Step 4: Simplify right side
    7,242.36x = 25,124,297.58
  5. Step 5: Solve for x
    x = 25,124,297.58/7,242.36
  6. Step 6: Final answer
    x = 3,469.08

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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.