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Finding the Fourth Proportional to 5,778.54, 8,626.01 and 5,077.92

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Solution

The fourth proportional to 5,778.54, 8,626.01 and 5,077.92 is: 7,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.54 : 8,626.01 = 5,077.92 : x
  2. Step 2: Convert to fraction form
    5,778.54/8,626.01 = 5,077.92/x
  3. Step 3: Cross multiply
    5,778.54x = 8,626.01 × 5,077.92
  4. Step 4: Simplify right side
    5,778.54x = 43,802,188.70
  5. Step 5: Solve for x
    x = 43,802,188.70/5,778.54
  6. Step 6: Final answer
    x = 7,580.15

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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.