Home / 7,179.16-10,763.24-3,280.84

Finding the Fourth Proportional to 7,179.16, 10,763.24 and 3,280.84

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Solution

The fourth proportional to 7,179.16, 10,763.24 and 3,280.84 is: 4,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.16 : 10,763.24 = 3,280.84 : x
  2. Step 2: Convert to fraction form
    7,179.16/10,763.24 = 3,280.84/x
  3. Step 3: Cross multiply
    7,179.16x = 10,763.24 × 3,280.84
  4. Step 4: Simplify right side
    7,179.16x = 35,312,468.32
  5. Step 5: Solve for x
    x = 35,312,468.32/7,179.16
  6. Step 6: Final answer
    x = 4,918.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.