Home / 5,106.08-7,045.80-2,868.06

Finding the Fourth Proportional to 5,106.08, 7,045.80 and 2,868.06

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Solution

The fourth proportional to 5,106.08, 7,045.80 and 2,868.06 is: 3,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,106.08 : 7,045.80 = 2,868.06 : x
  2. Step 2: Convert to fraction form
    5,106.08/7,045.80 = 2,868.06/x
  3. Step 3: Cross multiply
    5,106.08x = 7,045.80 × 2,868.06
  4. Step 4: Simplify right side
    5,106.08x = 20,207,777.15
  5. Step 5: Solve for x
    x = 20,207,777.15/5,106.08
  6. Step 6: Final answer
    x = 3,957.59

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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.