Home / 5,009.09-6,911.47-2,912.09

Finding the Fourth Proportional to 5,009.09, 6,911.47 and 2,912.09

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Solution

The fourth proportional to 5,009.09, 6,911.47 and 2,912.09 is: 4,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.09 : 6,911.47 = 2,912.09 : x
  2. Step 2: Convert to fraction form
    5,009.09/6,911.47 = 2,912.09/x
  3. Step 3: Cross multiply
    5,009.09x = 6,911.47 × 2,912.09
  4. Step 4: Simplify right side
    5,009.09x = 20,126,822.67
  5. Step 5: Solve for x
    x = 20,126,822.67/5,009.09
  6. Step 6: Final answer
    x = 4,018.06

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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.