Home / 4,727.47-7,081.78-3,243.05

Finding the Fourth Proportional to 4,727.47, 7,081.78 and 3,243.05

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Solution

The fourth proportional to 4,727.47, 7,081.78 and 3,243.05 is: 4,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727.47 : 7,081.78 = 3,243.05 : x
  2. Step 2: Convert to fraction form
    4,727.47/7,081.78 = 3,243.05/x
  3. Step 3: Cross multiply
    4,727.47x = 7,081.78 × 3,243.05
  4. Step 4: Simplify right side
    4,727.47x = 22,966,566.63
  5. Step 5: Solve for x
    x = 22,966,566.63/4,727.47
  6. Step 6: Final answer
    x = 4,858.11

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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.