Home / 4,279.10-6,418.82-1,357.34

Finding the Fourth Proportional to 4,279.10, 6,418.82 and 1,357.34

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Solution

The fourth proportional to 4,279.10, 6,418.82 and 1,357.34 is: 2,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.10 : 6,418.82 = 1,357.34 : x
  2. Step 2: Convert to fraction form
    4,279.10/6,418.82 = 1,357.34/x
  3. Step 3: Cross multiply
    4,279.10x = 6,418.82 × 1,357.34
  4. Step 4: Simplify right side
    4,279.10x = 8,712,492.44
  5. Step 5: Solve for x
    x = 8,712,492.44/4,279.10
  6. Step 6: Final answer
    x = 2,036.06

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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.