Home / 7,054.07-9,735.32-3,910.87

Finding the Fourth Proportional to 7,054.07, 9,735.32 and 3,910.87

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Solution

The fourth proportional to 7,054.07, 9,735.32 and 3,910.87 is: 5,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.07 : 9,735.32 = 3,910.87 : x
  2. Step 2: Convert to fraction form
    7,054.07/9,735.32 = 3,910.87/x
  3. Step 3: Cross multiply
    7,054.07x = 9,735.32 × 3,910.87
  4. Step 4: Simplify right side
    7,054.07x = 38,073,502.70
  5. Step 5: Solve for x
    x = 38,073,502.70/7,054.07
  6. Step 6: Final answer
    x = 5,397.38

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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.