Home / 7,114.84-10,679.78-3,997.51

Finding the Fourth Proportional to 7,114.84, 10,679.78 and 3,997.51

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Solution

The fourth proportional to 7,114.84, 10,679.78 and 3,997.51 is: 6,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.84 : 10,679.78 = 3,997.51 : x
  2. Step 2: Convert to fraction form
    7,114.84/10,679.78 = 3,997.51/x
  3. Step 3: Cross multiply
    7,114.84x = 10,679.78 × 3,997.51
  4. Step 4: Simplify right side
    7,114.84x = 42,692,507.36
  5. Step 5: Solve for x
    x = 42,692,507.36/7,114.84
  6. Step 6: Final answer
    x = 6,000.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.