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Finding the Fourth Proportional to 6,763.01, 9,332.29 and 3,778.78

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Solution

The fourth proportional to 6,763.01, 9,332.29 and 3,778.78 is: 5,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.01 : 9,332.29 = 3,778.78 : x
  2. Step 2: Convert to fraction form
    6,763.01/9,332.29 = 3,778.78/x
  3. Step 3: Cross multiply
    6,763.01x = 9,332.29 × 3,778.78
  4. Step 4: Simplify right side
    6,763.01x = 35,264,630.94
  5. Step 5: Solve for x
    x = 35,264,630.94/6,763.01
  6. Step 6: Final answer
    x = 5,214.34

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1.5x scale

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.