Home / 7,021.05-9,659.97-5,332.61

Finding the Fourth Proportional to 7,021.05, 9,659.97 and 5,332.61

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Solution

The fourth proportional to 7,021.05, 9,659.97 and 5,332.61 is: 7,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.05 : 9,659.97 = 5,332.61 : x
  2. Step 2: Convert to fraction form
    7,021.05/9,659.97 = 5,332.61/x
  3. Step 3: Cross multiply
    7,021.05x = 9,659.97 × 5,332.61
  4. Step 4: Simplify right side
    7,021.05x = 51,512,804.32
  5. Step 5: Solve for x
    x = 51,512,804.32/7,021.05
  6. Step 6: Final answer
    x = 7,336.91

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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.