Home / 5,008.02-6,911.50-2,912

Finding the Fourth Proportional to 5,008.02, 6,911.50 and 2,912

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Solution

The fourth proportional to 5,008.02, 6,911.50 and 2,912 is: 4,018.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.02 : 6,911.50 = 2,912 : x
  2. Step 2: Convert to fraction form
    5,008.02/6,911.50 = 2,912/x
  3. Step 3: Cross multiply
    5,008.02x = 6,911.50 × 2,912
  4. Step 4: Simplify right side
    5,008.02x = 20,126,288
  5. Step 5: Solve for x
    x = 20,126,288/5,008.02
  6. Step 6: Final answer
    x = 4,018.81

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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.