Home / 5,727.74-8,589.12-1,979.91

Finding the Fourth Proportional to 5,727.74, 8,589.12 and 1,979.91

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Solution

The fourth proportional to 5,727.74, 8,589.12 and 1,979.91 is: 2,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.74 : 8,589.12 = 1,979.91 : x
  2. Step 2: Convert to fraction form
    5,727.74/8,589.12 = 1,979.91/x
  3. Step 3: Cross multiply
    5,727.74x = 8,589.12 × 1,979.91
  4. Step 4: Simplify right side
    5,727.74x = 17,005,684.58
  5. Step 5: Solve for x
    x = 17,005,684.58/5,727.74
  6. Step 6: Final answer
    x = 2,969.00

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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.