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Finding the Fourth Proportional to 5,580.56, 8,307.06 and 5,497.48

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Solution

The fourth proportional to 5,580.56, 8,307.06 and 5,497.48 is: 8,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.56 : 8,307.06 = 5,497.48 : x
  2. Step 2: Convert to fraction form
    5,580.56/8,307.06 = 5,497.48/x
  3. Step 3: Cross multiply
    5,580.56x = 8,307.06 × 5,497.48
  4. Step 4: Simplify right side
    5,580.56x = 45,667,896.21
  5. Step 5: Solve for x
    x = 45,667,896.21/5,580.56
  6. Step 6: Final answer
    x = 8,183.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.