Home / 8,318.12-11,480.04-5,332.86

Finding the Fourth Proportional to 8,318.12, 11,480.04 and 5,332.86

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Solution

The fourth proportional to 8,318.12, 11,480.04 and 5,332.86 is: 7,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.12 : 11,480.04 = 5,332.86 : x
  2. Step 2: Convert to fraction form
    8,318.12/11,480.04 = 5,332.86/x
  3. Step 3: Cross multiply
    8,318.12x = 11,480.04 × 5,332.86
  4. Step 4: Simplify right side
    8,318.12x = 61,221,485.90
  5. Step 5: Solve for x
    x = 61,221,485.90/8,318.12
  6. Step 6: Final answer
    x = 7,360.02

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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.