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Finding the Fourth Proportional to 6,292.92, 8,688.74 and 4,408.68

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Solution

The fourth proportional to 6,292.92, 8,688.74 and 4,408.68 is: 6,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.92 : 8,688.74 = 4,408.68 : x
  2. Step 2: Convert to fraction form
    6,292.92/8,688.74 = 4,408.68/x
  3. Step 3: Cross multiply
    6,292.92x = 8,688.74 × 4,408.68
  4. Step 4: Simplify right side
    6,292.92x = 38,305,852.22
  5. Step 5: Solve for x
    x = 38,305,852.22/6,292.92
  6. Step 6: Final answer
    x = 6,087.13

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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.