Home / 7,882.10-11,812.02-4,373.66

Finding the Fourth Proportional to 7,882.10, 11,812.02 and 4,373.66

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Solution

The fourth proportional to 7,882.10, 11,812.02 and 4,373.66 is: 6,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.10 : 11,812.02 = 4,373.66 : x
  2. Step 2: Convert to fraction form
    7,882.10/11,812.02 = 4,373.66/x
  3. Step 3: Cross multiply
    7,882.10x = 11,812.02 × 4,373.66
  4. Step 4: Simplify right side
    7,882.10x = 51,661,759.39
  5. Step 5: Solve for x
    x = 51,661,759.39/7,882.10
  6. Step 6: Final answer
    x = 6,554.31

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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.