Home / 5,169.68-7,752.36-1,658.72

Finding the Fourth Proportional to 5,169.68, 7,752.36 and 1,658.72

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Solution

The fourth proportional to 5,169.68, 7,752.36 and 1,658.72 is: 2,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.68 : 7,752.36 = 1,658.72 : x
  2. Step 2: Convert to fraction form
    5,169.68/7,752.36 = 1,658.72/x
  3. Step 3: Cross multiply
    5,169.68x = 7,752.36 × 1,658.72
  4. Step 4: Simplify right side
    5,169.68x = 12,858,994.58
  5. Step 5: Solve for x
    x = 12,858,994.58/5,169.68
  6. Step 6: Final answer
    x = 2,487.39

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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.