Home / 5,207.47-7,186.30-2,817.44

Finding the Fourth Proportional to 5,207.47, 7,186.30 and 2,817.44

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Solution

The fourth proportional to 5,207.47, 7,186.30 and 2,817.44 is: 3,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.47 : 7,186.30 = 2,817.44 : x
  2. Step 2: Convert to fraction form
    5,207.47/7,186.30 = 2,817.44/x
  3. Step 3: Cross multiply
    5,207.47x = 7,186.30 × 2,817.44
  4. Step 4: Simplify right side
    5,207.47x = 20,246,933.14
  5. Step 5: Solve for x
    x = 20,246,933.14/5,207.47
  6. Step 6: Final answer
    x = 3,888.05

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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.