Home / 7,857.60-10,843.66-4,321.04

Finding the Fourth Proportional to 7,857.60, 10,843.66 and 4,321.04

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Solution

The fourth proportional to 7,857.60, 10,843.66 and 4,321.04 is: 5,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.60 : 10,843.66 = 4,321.04 : x
  2. Step 2: Convert to fraction form
    7,857.60/10,843.66 = 4,321.04/x
  3. Step 3: Cross multiply
    7,857.60x = 10,843.66 × 4,321.04
  4. Step 4: Simplify right side
    7,857.60x = 46,855,888.61
  5. Step 5: Solve for x
    x = 46,855,888.61/7,857.60
  6. Step 6: Final answer
    x = 5,963.13

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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.