Home / 4,279.46-6,417.92-1,814.24

Finding the Fourth Proportional to 4,279.46, 6,417.92 and 1,814.24

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Solution

The fourth proportional to 4,279.46, 6,417.92 and 1,814.24 is: 2,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.46 : 6,417.92 = 1,814.24 : x
  2. Step 2: Convert to fraction form
    4,279.46/6,417.92 = 1,814.24/x
  3. Step 3: Cross multiply
    4,279.46x = 6,417.92 × 1,814.24
  4. Step 4: Simplify right side
    4,279.46x = 11,643,638.11
  5. Step 5: Solve for x
    x = 11,643,638.11/4,279.46
  6. Step 6: Final answer
    x = 2,720.82

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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.