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Finding the Fourth Proportional to 5,382.71, 8,073.84 and 1,873.51

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Solution

The fourth proportional to 5,382.71, 8,073.84 and 1,873.51 is: 2,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.71 : 8,073.84 = 1,873.51 : x
  2. Step 2: Convert to fraction form
    5,382.71/8,073.84 = 1,873.51/x
  3. Step 3: Cross multiply
    5,382.71x = 8,073.84 × 1,873.51
  4. Step 4: Simplify right side
    5,382.71x = 15,126,410.61
  5. Step 5: Solve for x
    x = 15,126,410.61/5,382.71
  6. Step 6: Final answer
    x = 2,810.19

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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.