Home / 8,698.68-13,050.45-3,151.80

Finding the Fourth Proportional to 8,698.68, 13,050.45 and 3,151.80

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Solution

The fourth proportional to 8,698.68, 13,050.45 and 3,151.80 is: 4,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.68 : 13,050.45 = 3,151.80 : x
  2. Step 2: Convert to fraction form
    8,698.68/13,050.45 = 3,151.80/x
  3. Step 3: Cross multiply
    8,698.68x = 13,050.45 × 3,151.80
  4. Step 4: Simplify right side
    8,698.68x = 41,132,408.31
  5. Step 5: Solve for x
    x = 41,132,408.31/8,698.68
  6. Step 6: Final answer
    x = 4,728.58

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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.