Home / 5,277.83-7,286.73-3,390.18

Finding the Fourth Proportional to 5,277.83, 7,286.73 and 3,390.18

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Solution

The fourth proportional to 5,277.83, 7,286.73 and 3,390.18 is: 4,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.83 : 7,286.73 = 3,390.18 : x
  2. Step 2: Convert to fraction form
    5,277.83/7,286.73 = 3,390.18/x
  3. Step 3: Cross multiply
    5,277.83x = 7,286.73 × 3,390.18
  4. Step 4: Simplify right side
    5,277.83x = 24,703,326.31
  5. Step 5: Solve for x
    x = 24,703,326.31/5,277.83
  6. Step 6: Final answer
    x = 4,680.58

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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.