Home / 7,377.49-11,103.34-5,538.25

Finding the Fourth Proportional to 7,377.49, 11,103.34 and 5,538.25

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Solution

The fourth proportional to 7,377.49, 11,103.34 and 5,538.25 is: 8,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.49 : 11,103.34 = 5,538.25 : x
  2. Step 2: Convert to fraction form
    7,377.49/11,103.34 = 5,538.25/x
  3. Step 3: Cross multiply
    7,377.49x = 11,103.34 × 5,538.25
  4. Step 4: Simplify right side
    7,377.49x = 61,493,072.76
  5. Step 5: Solve for x
    x = 61,493,072.76/7,377.49
  6. Step 6: Final answer
    x = 8,335.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.