Home / 8,061.12-11,126.16-5,265

Finding the Fourth Proportional to 8,061.12, 11,126.16 and 5,265

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Solution

The fourth proportional to 8,061.12, 11,126.16 and 5,265 is: 7,266.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061.12 : 11,126.16 = 5,265 : x
  2. Step 2: Convert to fraction form
    8,061.12/11,126.16 = 5,265/x
  3. Step 3: Cross multiply
    8,061.12x = 11,126.16 × 5,265
  4. Step 4: Simplify right side
    8,061.12x = 58,579,232.40
  5. Step 5: Solve for x
    x = 58,579,232.40/8,061.12
  6. Step 6: Final answer
    x = 7,266.89

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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.