Home / 7,487.52-11,228.58-2,220.96

Finding the Fourth Proportional to 7,487.52, 11,228.58 and 2,220.96

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Solution

The fourth proportional to 7,487.52, 11,228.58 and 2,220.96 is: 3,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.52 : 11,228.58 = 2,220.96 : x
  2. Step 2: Convert to fraction form
    7,487.52/11,228.58 = 2,220.96/x
  3. Step 3: Cross multiply
    7,487.52x = 11,228.58 × 2,220.96
  4. Step 4: Simplify right side
    7,487.52x = 24,938,227.04
  5. Step 5: Solve for x
    x = 24,938,227.04/7,487.52
  6. Step 6: Final answer
    x = 3,330.64

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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.