Home / 7,155.52-10,724.96-2,771.04

Finding the Fourth Proportional to 7,155.52, 10,724.96 and 2,771.04

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Solution

The fourth proportional to 7,155.52, 10,724.96 and 2,771.04 is: 4,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.52 : 10,724.96 = 2,771.04 : x
  2. Step 2: Convert to fraction form
    7,155.52/10,724.96 = 2,771.04/x
  3. Step 3: Cross multiply
    7,155.52x = 10,724.96 × 2,771.04
  4. Step 4: Simplify right side
    7,155.52x = 29,719,293.16
  5. Step 5: Solve for x
    x = 29,719,293.16/7,155.52
  6. Step 6: Final answer
    x = 4,153.34

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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.