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Finding the Fourth Proportional to 5,574.78, 8,362.08 and 2,244.48

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Solution

The fourth proportional to 5,574.78, 8,362.08 and 2,244.48 is: 3,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.78 : 8,362.08 = 2,244.48 : x
  2. Step 2: Convert to fraction form
    5,574.78/8,362.08 = 2,244.48/x
  3. Step 3: Cross multiply
    5,574.78x = 8,362.08 × 2,244.48
  4. Step 4: Simplify right side
    5,574.78x = 18,768,521.32
  5. Step 5: Solve for x
    x = 18,768,521.32/5,574.78
  6. Step 6: Final answer
    x = 3,366.68

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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.