Home / 4,279.08-6,418.26-1,357.32

Finding the Fourth Proportional to 4,279.08, 6,418.26 and 1,357.32

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Solution

The fourth proportional to 4,279.08, 6,418.26 and 1,357.32 is: 2,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.08 : 6,418.26 = 1,357.32 : x
  2. Step 2: Convert to fraction form
    4,279.08/6,418.26 = 1,357.32/x
  3. Step 3: Cross multiply
    4,279.08x = 6,418.26 × 1,357.32
  4. Step 4: Simplify right side
    4,279.08x = 8,711,632.66
  5. Step 5: Solve for x
    x = 8,711,632.66/4,279.08
  6. Step 6: Final answer
    x = 2,035.87

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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.