Home / 9,178.83-12,667.19-5,200.25

Finding the Fourth Proportional to 9,178.83, 12,667.19 and 5,200.25

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Solution

The fourth proportional to 9,178.83, 12,667.19 and 5,200.25 is: 7,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.83 : 12,667.19 = 5,200.25 : x
  2. Step 2: Convert to fraction form
    9,178.83/12,667.19 = 5,200.25/x
  3. Step 3: Cross multiply
    9,178.83x = 12,667.19 × 5,200.25
  4. Step 4: Simplify right side
    9,178.83x = 65,872,465.46
  5. Step 5: Solve for x
    x = 65,872,465.46/9,178.83
  6. Step 6: Final answer
    x = 7,176.56

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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.