Home / 5,919.32-8,880.20-2,221.53

Finding the Fourth Proportional to 5,919.32, 8,880.20 and 2,221.53

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Solution

The fourth proportional to 5,919.32, 8,880.20 and 2,221.53 is: 3,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.32 : 8,880.20 = 2,221.53 : x
  2. Step 2: Convert to fraction form
    5,919.32/8,880.20 = 2,221.53/x
  3. Step 3: Cross multiply
    5,919.32x = 8,880.20 × 2,221.53
  4. Step 4: Simplify right side
    5,919.32x = 19,727,619.60
  5. Step 5: Solve for x
    x = 19,727,619.60/5,919.32
  6. Step 6: Final answer
    x = 3,332.75

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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.