Home / 7,351.56-10,144.44-4,207.14

Finding the Fourth Proportional to 7,351.56, 10,144.44 and 4,207.14

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Solution

The fourth proportional to 7,351.56, 10,144.44 and 4,207.14 is: 5,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.56 : 10,144.44 = 4,207.14 : x
  2. Step 2: Convert to fraction form
    7,351.56/10,144.44 = 4,207.14/x
  3. Step 3: Cross multiply
    7,351.56x = 10,144.44 × 4,207.14
  4. Step 4: Simplify right side
    7,351.56x = 42,679,079.30
  5. Step 5: Solve for x
    x = 42,679,079.30/7,351.56
  6. Step 6: Final answer
    x = 5,805.45

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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.