Home / 5,724.30-8,589.69-3,091.77

Finding the Fourth Proportional to 5,724.30, 8,589.69 and 3,091.77

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Solution

The fourth proportional to 5,724.30, 8,589.69 and 3,091.77 is: 4,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.30 : 8,589.69 = 3,091.77 : x
  2. Step 2: Convert to fraction form
    5,724.30/8,589.69 = 3,091.77/x
  3. Step 3: Cross multiply
    5,724.30x = 8,589.69 × 3,091.77
  4. Step 4: Simplify right side
    5,724.30x = 26,557,345.85
  5. Step 5: Solve for x
    x = 26,557,345.85/5,724.30
  6. Step 6: Final answer
    x = 4,639.40

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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.