Home / 5,557.92-8,330.88-3,611.52

Finding the Fourth Proportional to 5,557.92, 8,330.88 and 3,611.52

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Solution

The fourth proportional to 5,557.92, 8,330.88 and 3,611.52 is: 5,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.92 : 8,330.88 = 3,611.52 : x
  2. Step 2: Convert to fraction form
    5,557.92/8,330.88 = 3,611.52/x
  3. Step 3: Cross multiply
    5,557.92x = 8,330.88 × 3,611.52
  4. Step 4: Simplify right side
    5,557.92x = 30,087,139.74
  5. Step 5: Solve for x
    x = 30,087,139.74/5,557.92
  6. Step 6: Final answer
    x = 5,413.38

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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.