Home / 5,745.76-8,605.36-3,432.16

Finding the Fourth Proportional to 5,745.76, 8,605.36 and 3,432.16

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Solution

The fourth proportional to 5,745.76, 8,605.36 and 3,432.16 is: 5,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.76 : 8,605.36 = 3,432.16 : x
  2. Step 2: Convert to fraction form
    5,745.76/8,605.36 = 3,432.16/x
  3. Step 3: Cross multiply
    5,745.76x = 8,605.36 × 3,432.16
  4. Step 4: Simplify right side
    5,745.76x = 29,534,972.38
  5. Step 5: Solve for x
    x = 29,534,972.38/5,745.76
  6. Step 6: Final answer
    x = 5,140.31

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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.