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Finding the Fourth Proportional to 5,578.66, 8,366.64 and 2,292.67

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Solution

The fourth proportional to 5,578.66, 8,366.64 and 2,292.67 is: 3,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.66 : 8,366.64 = 2,292.67 : x
  2. Step 2: Convert to fraction form
    5,578.66/8,366.64 = 2,292.67/x
  3. Step 3: Cross multiply
    5,578.66x = 8,366.64 × 2,292.67
  4. Step 4: Simplify right side
    5,578.66x = 19,181,944.53
  5. Step 5: Solve for x
    x = 19,181,944.53/5,578.66
  6. Step 6: Final answer
    x = 3,438.45

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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.