Home / 8,396.28-12,572.46-5,618.52

Finding the Fourth Proportional to 8,396.28, 12,572.46 and 5,618.52

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Solution

The fourth proportional to 8,396.28, 12,572.46 and 5,618.52 is: 8,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.28 : 12,572.46 = 5,618.52 : x
  2. Step 2: Convert to fraction form
    8,396.28/12,572.46 = 5,618.52/x
  3. Step 3: Cross multiply
    8,396.28x = 12,572.46 × 5,618.52
  4. Step 4: Simplify right side
    8,396.28x = 70,638,617.96
  5. Step 5: Solve for x
    x = 70,638,617.96/8,396.28
  6. Step 6: Final answer
    x = 8,413.09

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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.