Home / 8,880.57-13,316.22-2,639.73

Finding the Fourth Proportional to 8,880.57, 13,316.22 and 2,639.73

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Solution

The fourth proportional to 8,880.57, 13,316.22 and 2,639.73 is: 3,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.57 : 13,316.22 = 2,639.73 : x
  2. Step 2: Convert to fraction form
    8,880.57/13,316.22 = 2,639.73/x
  3. Step 3: Cross multiply
    8,880.57x = 13,316.22 × 2,639.73
  4. Step 4: Simplify right side
    8,880.57x = 35,151,225.42
  5. Step 5: Solve for x
    x = 35,151,225.42/8,880.57
  6. Step 6: Final answer
    x = 3,958.22

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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.