Home / 5,110.65-7,052.27-2,872.35

Finding the Fourth Proportional to 5,110.65, 7,052.27 and 2,872.35

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Solution

The fourth proportional to 5,110.65, 7,052.27 and 2,872.35 is: 3,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.65 : 7,052.27 = 2,872.35 : x
  2. Step 2: Convert to fraction form
    5,110.65/7,052.27 = 2,872.35/x
  3. Step 3: Cross multiply
    5,110.65x = 7,052.27 × 2,872.35
  4. Step 4: Simplify right side
    5,110.65x = 20,256,573.37
  5. Step 5: Solve for x
    x = 20,256,573.37/5,110.65
  6. Step 6: Final answer
    x = 3,963.60

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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.