Home / 7,843.06-10,816.09-6,254.99

Finding the Fourth Proportional to 7,843.06, 10,816.09 and 6,254.99

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Solution

The fourth proportional to 7,843.06, 10,816.09 and 6,254.99 is: 8,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.06 : 10,816.09 = 6,254.99 : x
  2. Step 2: Convert to fraction form
    7,843.06/10,816.09 = 6,254.99/x
  3. Step 3: Cross multiply
    7,843.06x = 10,816.09 × 6,254.99
  4. Step 4: Simplify right side
    7,843.06x = 67,654,534.79
  5. Step 5: Solve for x
    x = 67,654,534.79/7,843.06
  6. Step 6: Final answer
    x = 8,626.04

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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.