Home / 5,531.04-8,280.96-4,228.56

Finding the Fourth Proportional to 5,531.04, 8,280.96 and 4,228.56

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Solution

The fourth proportional to 5,531.04, 8,280.96 and 4,228.56 is: 6,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.04 : 8,280.96 = 4,228.56 : x
  2. Step 2: Convert to fraction form
    5,531.04/8,280.96 = 4,228.56/x
  3. Step 3: Cross multiply
    5,531.04x = 8,280.96 × 4,228.56
  4. Step 4: Simplify right side
    5,531.04x = 35,016,536.22
  5. Step 5: Solve for x
    x = 35,016,536.22/5,531.04
  6. Step 6: Final answer
    x = 6,330.91

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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.