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Finding the Fourth Proportional to 6,695.72, 10,044.12 and 2,078.72

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Solution

The fourth proportional to 6,695.72, 10,044.12 and 2,078.72 is: 3,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,695.72 : 10,044.12 = 2,078.72 : x
  2. Step 2: Convert to fraction form
    6,695.72/10,044.12 = 2,078.72/x
  3. Step 3: Cross multiply
    6,695.72x = 10,044.12 × 2,078.72
  4. Step 4: Simplify right side
    6,695.72x = 20,878,913.13
  5. Step 5: Solve for x
    x = 20,878,913.13/6,695.72
  6. Step 6: Final answer
    x = 3,118.25

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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.