Home / 4,279.66-6,419.49-2,335.66

Finding the Fourth Proportional to 4,279.66, 6,419.49 and 2,335.66

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Solution

The fourth proportional to 4,279.66, 6,419.49 and 2,335.66 is: 3,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.66 : 6,419.49 = 2,335.66 : x
  2. Step 2: Convert to fraction form
    4,279.66/6,419.49 = 2,335.66/x
  3. Step 3: Cross multiply
    4,279.66x = 6,419.49 × 2,335.66
  4. Step 4: Simplify right side
    4,279.66x = 14,993,746.01
  5. Step 5: Solve for x
    x = 14,993,746.01/4,279.66
  6. Step 6: Final answer
    x = 3,503.49

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Double scale
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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.