Home / 4,279.11-6,418.67-1,159.13

Finding the Fourth Proportional to 4,279.11, 6,418.67 and 1,159.13

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Solution

The fourth proportional to 4,279.11, 6,418.67 and 1,159.13 is: 1,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.11 : 6,418.67 = 1,159.13 : x
  2. Step 2: Convert to fraction form
    4,279.11/6,418.67 = 1,159.13/x
  3. Step 3: Cross multiply
    4,279.11x = 6,418.67 × 1,159.13
  4. Step 4: Simplify right side
    4,279.11x = 7,440,072.96
  5. Step 5: Solve for x
    x = 7,440,072.96/4,279.11
  6. Step 6: Final answer
    x = 1,738.70

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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.