Home / 4,861.85-7,298.24-2,891.72

Finding the Fourth Proportional to 4,861.85, 7,298.24 and 2,891.72

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Solution

The fourth proportional to 4,861.85, 7,298.24 and 2,891.72 is: 4,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.85 : 7,298.24 = 2,891.72 : x
  2. Step 2: Convert to fraction form
    4,861.85/7,298.24 = 2,891.72/x
  3. Step 3: Cross multiply
    4,861.85x = 7,298.24 × 2,891.72
  4. Step 4: Simplify right side
    4,861.85x = 21,104,470.36
  5. Step 5: Solve for x
    x = 21,104,470.36/4,861.85
  6. Step 6: Final answer
    x = 4,340.84

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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.