Home / 9,078.86-13,617.81-5,332.70

Finding the Fourth Proportional to 9,078.86, 13,617.81 and 5,332.70

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Solution

The fourth proportional to 9,078.86, 13,617.81 and 5,332.70 is: 7,998.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.86 : 13,617.81 = 5,332.70 : x
  2. Step 2: Convert to fraction form
    9,078.86/13,617.81 = 5,332.70/x
  3. Step 3: Cross multiply
    9,078.86x = 13,617.81 × 5,332.70
  4. Step 4: Simplify right side
    9,078.86x = 72,619,627.30
  5. Step 5: Solve for x
    x = 72,619,627.30/9,078.86
  6. Step 6: Final answer
    x = 7,998.76

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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.