Home / 8,190.81-11,299.73-5,537.25

Finding the Fourth Proportional to 8,190.81, 11,299.73 and 5,537.25

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Solution

The fourth proportional to 8,190.81, 11,299.73 and 5,537.25 is: 7,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.81 : 11,299.73 = 5,537.25 : x
  2. Step 2: Convert to fraction form
    8,190.81/11,299.73 = 5,537.25/x
  3. Step 3: Cross multiply
    8,190.81x = 11,299.73 × 5,537.25
  4. Step 4: Simplify right side
    8,190.81x = 62,569,402.26
  5. Step 5: Solve for x
    x = 62,569,402.26/8,190.81
  6. Step 6: Final answer
    x = 7,638.98

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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.