Home / 5,168.21-7,752.33-1,658.75

Finding the Fourth Proportional to 5,168.21, 7,752.33 and 1,658.75

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Solution

The fourth proportional to 5,168.21, 7,752.33 and 1,658.75 is: 2,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.21 : 7,752.33 = 1,658.75 : x
  2. Step 2: Convert to fraction form
    5,168.21/7,752.33 = 1,658.75/x
  3. Step 3: Cross multiply
    5,168.21x = 7,752.33 × 1,658.75
  4. Step 4: Simplify right side
    5,168.21x = 12,859,138.63
  5. Step 5: Solve for x
    x = 12,859,138.63/5,168.21
  6. Step 6: Final answer
    x = 2,488.12

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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.