Home / 7,180.25-9,904.88-4,943.23

Finding the Fourth Proportional to 7,180.25, 9,904.88 and 4,943.23

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Solution

The fourth proportional to 7,180.25, 9,904.88 and 4,943.23 is: 6,819.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.25 : 9,904.88 = 4,943.23 : x
  2. Step 2: Convert to fraction form
    7,180.25/9,904.88 = 4,943.23/x
  3. Step 3: Cross multiply
    7,180.25x = 9,904.88 × 4,943.23
  4. Step 4: Simplify right side
    7,180.25x = 48,962,087.56
  5. Step 5: Solve for x
    x = 48,962,087.56/7,180.25
  6. Step 6: Final answer
    x = 6,819.00

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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.