Home / 5,112.30-7,054.85-3,343.87

Finding the Fourth Proportional to 5,112.30, 7,054.85 and 3,343.87

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Solution

The fourth proportional to 5,112.30, 7,054.85 and 3,343.87 is: 4,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.30 : 7,054.85 = 3,343.87 : x
  2. Step 2: Convert to fraction form
    5,112.30/7,054.85 = 3,343.87/x
  3. Step 3: Cross multiply
    5,112.30x = 7,054.85 × 3,343.87
  4. Step 4: Simplify right side
    5,112.30x = 23,590,491.99
  5. Step 5: Solve for x
    x = 23,590,491.99/5,112.30
  6. Step 6: Final answer
    x = 4,614.46

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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.