Home / 8,719.96-12,033.13-4,942.90

Finding the Fourth Proportional to 8,719.96, 12,033.13 and 4,942.90

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Solution

The fourth proportional to 8,719.96, 12,033.13 and 4,942.90 is: 6,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.96 : 12,033.13 = 4,942.90 : x
  2. Step 2: Convert to fraction form
    8,719.96/12,033.13 = 4,942.90/x
  3. Step 3: Cross multiply
    8,719.96x = 12,033.13 × 4,942.90
  4. Step 4: Simplify right side
    8,719.96x = 59,478,558.28
  5. Step 5: Solve for x
    x = 59,478,558.28/8,719.96
  6. Step 6: Final answer
    x = 6,820.97

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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.