Home / 5,228.62-7,830.88-3,144.06

Finding the Fourth Proportional to 5,228.62, 7,830.88 and 3,144.06

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Solution

The fourth proportional to 5,228.62, 7,830.88 and 3,144.06 is: 4,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.62 : 7,830.88 = 3,144.06 : x
  2. Step 2: Convert to fraction form
    5,228.62/7,830.88 = 3,144.06/x
  3. Step 3: Cross multiply
    5,228.62x = 7,830.88 × 3,144.06
  4. Step 4: Simplify right side
    5,228.62x = 24,620,748.71
  5. Step 5: Solve for x
    x = 24,620,748.71/5,228.62
  6. Step 6: Final answer
    x = 4,708.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.