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Finding the Fourth Proportional to 5,576.49, 7,636.97 and 5,503.59

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Solution

The fourth proportional to 5,576.49, 7,636.97 and 5,503.59 is: 7,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.49 : 7,636.97 = 5,503.59 : x
  2. Step 2: Convert to fraction form
    5,576.49/7,636.97 = 5,503.59/x
  3. Step 3: Cross multiply
    5,576.49x = 7,636.97 × 5,503.59
  4. Step 4: Simplify right side
    5,576.49x = 42,030,765.48
  5. Step 5: Solve for x
    x = 42,030,765.48/5,576.49
  6. Step 6: Final answer
    x = 7,537.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.