Home / 8,716.96-12,026.46-4,939.72

Finding the Fourth Proportional to 8,716.96, 12,026.46 and 4,939.72

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Solution

The fourth proportional to 8,716.96, 12,026.46 and 4,939.72 is: 6,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.96 : 12,026.46 = 4,939.72 : x
  2. Step 2: Convert to fraction form
    8,716.96/12,026.46 = 4,939.72/x
  3. Step 3: Cross multiply
    8,716.96x = 12,026.46 × 4,939.72
  4. Step 4: Simplify right side
    8,716.96x = 59,407,344.99
  5. Step 5: Solve for x
    x = 59,407,344.99/8,716.96
  6. Step 6: Final answer
    x = 6,815.14

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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.