Home / 5,746.14-7,928.55-3,387.69

Finding the Fourth Proportional to 5,746.14, 7,928.55 and 3,387.69

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Solution

The fourth proportional to 5,746.14, 7,928.55 and 3,387.69 is: 4,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.14 : 7,928.55 = 3,387.69 : x
  2. Step 2: Convert to fraction form
    5,746.14/7,928.55 = 3,387.69/x
  3. Step 3: Cross multiply
    5,746.14x = 7,928.55 × 3,387.69
  4. Step 4: Simplify right side
    5,746.14x = 26,859,469.55
  5. Step 5: Solve for x
    x = 26,859,469.55/5,746.14
  6. Step 6: Final answer
    x = 4,674.35

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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.