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Finding the Fourth Proportional to 4,460.80, 6,689.11 and 1,995.64

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Solution

The fourth proportional to 4,460.80, 6,689.11 and 1,995.64 is: 2,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.80 : 6,689.11 = 1,995.64 : x
  2. Step 2: Convert to fraction form
    4,460.80/6,689.11 = 1,995.64/x
  3. Step 3: Cross multiply
    4,460.80x = 6,689.11 × 1,995.64
  4. Step 4: Simplify right side
    4,460.80x = 13,349,055.48
  5. Step 5: Solve for x
    x = 13,349,055.48/4,460.80
  6. Step 6: Final answer
    x = 2,992.52

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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.