Home / 4,385.30-6,579.50-2,698.61

Finding the Fourth Proportional to 4,385.30, 6,579.50 and 2,698.61

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Solution

The fourth proportional to 4,385.30, 6,579.50 and 2,698.61 is: 4,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.30 : 6,579.50 = 2,698.61 : x
  2. Step 2: Convert to fraction form
    4,385.30/6,579.50 = 2,698.61/x
  3. Step 3: Cross multiply
    4,385.30x = 6,579.50 × 2,698.61
  4. Step 4: Simplify right side
    4,385.30x = 17,755,458.10
  5. Step 5: Solve for x
    x = 17,755,458.10/4,385.30
  6. Step 6: Final answer
    x = 4,048.86

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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.