Home / 4,680.29-6,461.71-2,979.75

Finding the Fourth Proportional to 4,680.29, 6,461.71 and 2,979.75

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Solution

The fourth proportional to 4,680.29, 6,461.71 and 2,979.75 is: 4,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.29 : 6,461.71 = 2,979.75 : x
  2. Step 2: Convert to fraction form
    4,680.29/6,461.71 = 2,979.75/x
  3. Step 3: Cross multiply
    4,680.29x = 6,461.71 × 2,979.75
  4. Step 4: Simplify right side
    4,680.29x = 19,254,308.33
  5. Step 5: Solve for x
    x = 19,254,308.33/4,680.29
  6. Step 6: Final answer
    x = 4,113.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.