Home / 7,880.08-10,874.16-4,520.56

Finding the Fourth Proportional to 7,880.08, 10,874.16 and 4,520.56

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Solution

The fourth proportional to 7,880.08, 10,874.16 and 4,520.56 is: 6,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.08 : 10,874.16 = 4,520.56 : x
  2. Step 2: Convert to fraction form
    7,880.08/10,874.16 = 4,520.56/x
  3. Step 3: Cross multiply
    7,880.08x = 10,874.16 × 4,520.56
  4. Step 4: Simplify right side
    7,880.08x = 49,157,292.73
  5. Step 5: Solve for x
    x = 49,157,292.73/7,880.08
  6. Step 6: Final answer
    x = 6,238.17

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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.