Home / 5,555.06-8,340.80-2,274.56

Finding the Fourth Proportional to 5,555.06, 8,340.80 and 2,274.56

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Solution

The fourth proportional to 5,555.06, 8,340.80 and 2,274.56 is: 3,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.06 : 8,340.80 = 2,274.56 : x
  2. Step 2: Convert to fraction form
    5,555.06/8,340.80 = 2,274.56/x
  3. Step 3: Cross multiply
    5,555.06x = 8,340.80 × 2,274.56
  4. Step 4: Simplify right side
    5,555.06x = 18,971,628.25
  5. Step 5: Solve for x
    x = 18,971,628.25/5,555.06
  6. Step 6: Final answer
    x = 3,415.20

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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.