Home / 7,904.28-10,910.18-5,217.46

Finding the Fourth Proportional to 7,904.28, 10,910.18 and 5,217.46

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Solution

The fourth proportional to 7,904.28, 10,910.18 and 5,217.46 is: 7,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.28 : 10,910.18 = 5,217.46 : x
  2. Step 2: Convert to fraction form
    7,904.28/10,910.18 = 5,217.46/x
  3. Step 3: Cross multiply
    7,904.28x = 10,910.18 × 5,217.46
  4. Step 4: Simplify right side
    7,904.28x = 56,923,413.51
  5. Step 5: Solve for x
    x = 56,923,413.51/7,904.28
  6. Step 6: Final answer
    x = 7,201.59

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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.