Home / 4,279.23-6,418.85-1,357.76

Finding the Fourth Proportional to 4,279.23, 6,418.85 and 1,357.76

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Solution

The fourth proportional to 4,279.23, 6,418.85 and 1,357.76 is: 2,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.23 : 6,418.85 = 1,357.76 : x
  2. Step 2: Convert to fraction form
    4,279.23/6,418.85 = 1,357.76/x
  3. Step 3: Cross multiply
    4,279.23x = 6,418.85 × 1,357.76
  4. Step 4: Simplify right side
    4,279.23x = 8,715,267.03
  5. Step 5: Solve for x
    x = 8,715,267.03/4,279.23
  6. Step 6: Final answer
    x = 2,036.64

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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.