Home / 7,864.14-11,800.80-2,937.18

Finding the Fourth Proportional to 7,864.14, 11,800.80 and 2,937.18

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Solution

The fourth proportional to 7,864.14, 11,800.80 and 2,937.18 is: 4,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.14 : 11,800.80 = 2,937.18 : x
  2. Step 2: Convert to fraction form
    7,864.14/11,800.80 = 2,937.18/x
  3. Step 3: Cross multiply
    7,864.14x = 11,800.80 × 2,937.18
  4. Step 4: Simplify right side
    7,864.14x = 34,661,073.74
  5. Step 5: Solve for x
    x = 34,661,073.74/7,864.14
  6. Step 6: Final answer
    x = 4,407.48

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1.5x scale

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.