Home / 4,089.25-5,643.88-2,320.82

Finding the Fourth Proportional to 4,089.25, 5,643.88 and 2,320.82

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Solution

The fourth proportional to 4,089.25, 5,643.88 and 2,320.82 is: 3,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.25 : 5,643.88 = 2,320.82 : x
  2. Step 2: Convert to fraction form
    4,089.25/5,643.88 = 2,320.82/x
  3. Step 3: Cross multiply
    4,089.25x = 5,643.88 × 2,320.82
  4. Step 4: Simplify right side
    4,089.25x = 13,098,416.72
  5. Step 5: Solve for x
    x = 13,098,416.72/4,089.25
  6. Step 6: Final answer
    x = 3,203.13

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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.