Home / 4,995.15-7,498.19-2,808.15

Finding the Fourth Proportional to 4,995.15, 7,498.19 and 2,808.15

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Solution

The fourth proportional to 4,995.15, 7,498.19 and 2,808.15 is: 4,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.15 : 7,498.19 = 2,808.15 : x
  2. Step 2: Convert to fraction form
    4,995.15/7,498.19 = 2,808.15/x
  3. Step 3: Cross multiply
    4,995.15x = 7,498.19 × 2,808.15
  4. Step 4: Simplify right side
    4,995.15x = 21,056,042.25
  5. Step 5: Solve for x
    x = 21,056,042.25/4,995.15
  6. Step 6: Final answer
    x = 4,215.30

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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.