Home / 4,279.99-6,416.87-2,889.88

Finding the Fourth Proportional to 4,279.99, 6,416.87 and 2,889.88

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Solution

The fourth proportional to 4,279.99, 6,416.87 and 2,889.88 is: 4,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.99 : 6,416.87 = 2,889.88 : x
  2. Step 2: Convert to fraction form
    4,279.99/6,416.87 = 2,889.88/x
  3. Step 3: Cross multiply
    4,279.99x = 6,416.87 × 2,889.88
  4. Step 4: Simplify right side
    4,279.99x = 18,543,970.04
  5. Step 5: Solve for x
    x = 18,543,970.04/4,279.99
  6. Step 6: Final answer
    x = 4,332.71

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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.