Home / 8,853.44-12,215.04-5,126.72

Finding the Fourth Proportional to 8,853.44, 12,215.04 and 5,126.72

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Solution

The fourth proportional to 8,853.44, 12,215.04 and 5,126.72 is: 7,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.44 : 12,215.04 = 5,126.72 : x
  2. Step 2: Convert to fraction form
    8,853.44/12,215.04 = 5,126.72/x
  3. Step 3: Cross multiply
    8,853.44x = 12,215.04 × 5,126.72
  4. Step 4: Simplify right side
    8,853.44x = 62,623,089.87
  5. Step 5: Solve for x
    x = 62,623,089.87/8,853.44
  6. Step 6: Final answer
    x = 7,073.31

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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.