Home / 6,664.75-9,197.36-3,870.25

Finding the Fourth Proportional to 6,664.75, 9,197.36 and 3,870.25

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Solution

The fourth proportional to 6,664.75, 9,197.36 and 3,870.25 is: 5,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664.75 : 9,197.36 = 3,870.25 : x
  2. Step 2: Convert to fraction form
    6,664.75/9,197.36 = 3,870.25/x
  3. Step 3: Cross multiply
    6,664.75x = 9,197.36 × 3,870.25
  4. Step 4: Simplify right side
    6,664.75x = 35,596,082.54
  5. Step 5: Solve for x
    x = 35,596,082.54/6,664.75
  6. Step 6: Final answer
    x = 5,340.95

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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.