Home / 7,872.06-10,863.45-4,335.27

Finding the Fourth Proportional to 7,872.06, 10,863.45 and 4,335.27

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Solution

The fourth proportional to 7,872.06, 10,863.45 and 4,335.27 is: 5,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.06 : 10,863.45 = 4,335.27 : x
  2. Step 2: Convert to fraction form
    7,872.06/10,863.45 = 4,335.27/x
  3. Step 3: Cross multiply
    7,872.06x = 10,863.45 × 4,335.27
  4. Step 4: Simplify right side
    7,872.06x = 47,095,988.88
  5. Step 5: Solve for x
    x = 47,095,988.88/7,872.06
  6. Step 6: Final answer
    x = 5,982.68

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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.