Home / 5,009.20-6,912.64-2,771.08

Finding the Fourth Proportional to 5,009.20, 6,912.64 and 2,771.08

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Solution

The fourth proportional to 5,009.20, 6,912.64 and 2,771.08 is: 3,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.20 : 6,912.64 = 2,771.08 : x
  2. Step 2: Convert to fraction form
    5,009.20/6,912.64 = 2,771.08/x
  3. Step 3: Cross multiply
    5,009.20x = 6,912.64 × 2,771.08
  4. Step 4: Simplify right side
    5,009.20x = 19,155,478.45
  5. Step 5: Solve for x
    x = 19,155,478.45/5,009.20
  6. Step 6: Final answer
    x = 3,824.06

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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.