Home / 4,279.08-6,417.93-1,356.72

Finding the Fourth Proportional to 4,279.08, 6,417.93 and 1,356.72

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Solution

The fourth proportional to 4,279.08, 6,417.93 and 1,356.72 is: 2,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.08 : 6,417.93 = 1,356.72 : x
  2. Step 2: Convert to fraction form
    4,279.08/6,417.93 = 1,356.72/x
  3. Step 3: Cross multiply
    4,279.08x = 6,417.93 × 1,356.72
  4. Step 4: Simplify right side
    4,279.08x = 8,707,333.99
  5. Step 5: Solve for x
    x = 8,707,333.99/4,279.08
  6. Step 6: Final answer
    x = 2,034.86

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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.