Home / 6,680.21-9,219.02-4,028.54

Finding the Fourth Proportional to 6,680.21, 9,219.02 and 4,028.54

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Solution

The fourth proportional to 6,680.21, 9,219.02 and 4,028.54 is: 5,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.21 : 9,219.02 = 4,028.54 : x
  2. Step 2: Convert to fraction form
    6,680.21/9,219.02 = 4,028.54/x
  3. Step 3: Cross multiply
    6,680.21x = 9,219.02 × 4,028.54
  4. Step 4: Simplify right side
    6,680.21x = 37,139,124.59
  5. Step 5: Solve for x
    x = 37,139,124.59/6,680.21
  6. Step 6: Final answer
    x = 5,559.58

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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.