Home / 4,319.79-5,958.12-2,807.74

Finding the Fourth Proportional to 4,319.79, 5,958.12 and 2,807.74

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Solution

The fourth proportional to 4,319.79, 5,958.12 and 2,807.74 is: 3,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.79 : 5,958.12 = 2,807.74 : x
  2. Step 2: Convert to fraction form
    4,319.79/5,958.12 = 2,807.74/x
  3. Step 3: Cross multiply
    4,319.79x = 5,958.12 × 2,807.74
  4. Step 4: Simplify right side
    4,319.79x = 16,728,851.85
  5. Step 5: Solve for x
    x = 16,728,851.85/4,319.79
  6. Step 6: Final answer
    x = 3,872.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.