Home / 4,850.38-7,275.64-1,387.62

Finding the Fourth Proportional to 4,850.38, 7,275.64 and 1,387.62

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Solution

The fourth proportional to 4,850.38, 7,275.64 and 1,387.62 is: 2,081.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.38 : 7,275.64 = 1,387.62 : x
  2. Step 2: Convert to fraction form
    4,850.38/7,275.64 = 1,387.62/x
  3. Step 3: Cross multiply
    4,850.38x = 7,275.64 × 1,387.62
  4. Step 4: Simplify right side
    4,850.38x = 10,095,823.58
  5. Step 5: Solve for x
    x = 10,095,823.58/4,850.38
  6. Step 6: Final answer
    x = 2,081.45

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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.