Home / 5,116.43-7,060.61-2,878.32

Finding the Fourth Proportional to 5,116.43, 7,060.61 and 2,878.32

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Solution

The fourth proportional to 5,116.43, 7,060.61 and 2,878.32 is: 3,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.43 : 7,060.61 = 2,878.32 : x
  2. Step 2: Convert to fraction form
    5,116.43/7,060.61 = 2,878.32/x
  3. Step 3: Cross multiply
    5,116.43x = 7,060.61 × 2,878.32
  4. Step 4: Simplify right side
    5,116.43x = 20,322,728.65
  5. Step 5: Solve for x
    x = 20,322,728.65/5,116.43
  6. Step 6: Final answer
    x = 3,972.05

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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.