Home / 6,577.31-9,076.91-3,782.81

Finding the Fourth Proportional to 6,577.31, 9,076.91 and 3,782.81

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Solution

The fourth proportional to 6,577.31, 9,076.91 and 3,782.81 is: 5,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.31 : 9,076.91 = 3,782.81 : x
  2. Step 2: Convert to fraction form
    6,577.31/9,076.91 = 3,782.81/x
  3. Step 3: Cross multiply
    6,577.31x = 9,076.91 × 3,782.81
  4. Step 4: Simplify right side
    6,577.31x = 34,336,229.70
  5. Step 5: Solve for x
    x = 34,336,229.70/6,577.31
  6. Step 6: Final answer
    x = 5,220.40

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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.