Home / 5,727.20-8,589.72-2,803.64

Finding the Fourth Proportional to 5,727.20, 8,589.72 and 2,803.64

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Solution

The fourth proportional to 5,727.20, 8,589.72 and 2,803.64 is: 4,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,727.20 : 8,589.72 = 2,803.64 : x
  2. Step 2: Convert to fraction form
    5,727.20/8,589.72 = 2,803.64/x
  3. Step 3: Cross multiply
    5,727.20x = 8,589.72 × 2,803.64
  4. Step 4: Simplify right side
    5,727.20x = 24,082,482.58
  5. Step 5: Solve for x
    x = 24,082,482.58/5,727.20
  6. Step 6: Final answer
    x = 4,204.93

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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.