Home / 7,880.22-10,874.99-4,522.77

Finding the Fourth Proportional to 7,880.22, 10,874.99 and 4,522.77

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Solution

The fourth proportional to 7,880.22, 10,874.99 and 4,522.77 is: 6,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.22 : 10,874.99 = 4,522.77 : x
  2. Step 2: Convert to fraction form
    7,880.22/10,874.99 = 4,522.77/x
  3. Step 3: Cross multiply
    7,880.22x = 10,874.99 × 4,522.77
  4. Step 4: Simplify right side
    7,880.22x = 49,185,089.83
  5. Step 5: Solve for x
    x = 49,185,089.83/7,880.22
  6. Step 6: Final answer
    x = 6,241.59

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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.