Home / 8,756.91-12,074.94-5,919.35

Finding the Fourth Proportional to 8,756.91, 12,074.94 and 5,919.35

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Solution

The fourth proportional to 8,756.91, 12,074.94 and 5,919.35 is: 8,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.91 : 12,074.94 = 5,919.35 : x
  2. Step 2: Convert to fraction form
    8,756.91/12,074.94 = 5,919.35/x
  3. Step 3: Cross multiply
    8,756.91x = 12,074.94 × 5,919.35
  4. Step 4: Simplify right side
    8,756.91x = 71,475,735.71
  5. Step 5: Solve for x
    x = 71,475,735.71/8,756.91
  6. Step 6: Final answer
    x = 8,162.21

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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.