Home / 8,725.26-12,044.79-5,742.66

Finding the Fourth Proportional to 8,725.26, 12,044.79 and 5,742.66

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Solution

The fourth proportional to 8,725.26, 12,044.79 and 5,742.66 is: 7,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.26 : 12,044.79 = 5,742.66 : x
  2. Step 2: Convert to fraction form
    8,725.26/12,044.79 = 5,742.66/x
  3. Step 3: Cross multiply
    8,725.26x = 12,044.79 × 5,742.66
  4. Step 4: Simplify right side
    8,725.26x = 69,169,133.74
  5. Step 5: Solve for x
    x = 69,169,133.74/8,725.26
  6. Step 6: Final answer
    x = 7,927.46

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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.