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Finding the Fourth Proportional to 5,530.73, 7,626.98 and 4,693.73

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Solution

The fourth proportional to 5,530.73, 7,626.98 and 4,693.73 is: 6,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.73 : 7,626.98 = 4,693.73 : x
  2. Step 2: Convert to fraction form
    5,530.73/7,626.98 = 4,693.73/x
  3. Step 3: Cross multiply
    5,530.73x = 7,626.98 × 4,693.73
  4. Step 4: Simplify right side
    5,530.73x = 35,798,961.37
  5. Step 5: Solve for x
    x = 35,798,961.37/5,530.73
  6. Step 6: Final answer
    x = 6,472.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.