Home / 6,625.79-9,143.45-3,641.55

Finding the Fourth Proportional to 6,625.79, 9,143.45 and 3,641.55

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Solution

The fourth proportional to 6,625.79, 9,143.45 and 3,641.55 is: 5,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.79 : 9,143.45 = 3,641.55 : x
  2. Step 2: Convert to fraction form
    6,625.79/9,143.45 = 3,641.55/x
  3. Step 3: Cross multiply
    6,625.79x = 9,143.45 × 3,641.55
  4. Step 4: Simplify right side
    6,625.79x = 33,296,312.14
  5. Step 5: Solve for x
    x = 33,296,312.14/6,625.79
  6. Step 6: Final answer
    x = 5,025.26

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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.