Home / 7,880.22-10,874.28-4,342.74

Finding the Fourth Proportional to 7,880.22, 10,874.28 and 4,342.74

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Solution

The fourth proportional to 7,880.22, 10,874.28 and 4,342.74 is: 5,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.22 : 10,874.28 = 4,342.74 : x
  2. Step 2: Convert to fraction form
    7,880.22/10,874.28 = 4,342.74/x
  3. Step 3: Cross multiply
    7,880.22x = 10,874.28 × 4,342.74
  4. Step 4: Simplify right side
    7,880.22x = 47,224,170.73
  5. Step 5: Solve for x
    x = 47,224,170.73/7,880.22
  6. Step 6: Final answer
    x = 5,992.75

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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.