Home / 7,930.41-11,885.12-4,224.66

Finding the Fourth Proportional to 7,930.41, 11,885.12 and 4,224.66

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Solution

The fourth proportional to 7,930.41, 11,885.12 and 4,224.66 is: 6,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.41 : 11,885.12 = 4,224.66 : x
  2. Step 2: Convert to fraction form
    7,930.41/11,885.12 = 4,224.66/x
  3. Step 3: Cross multiply
    7,930.41x = 11,885.12 × 4,224.66
  4. Step 4: Simplify right side
    7,930.41x = 50,210,569.94
  5. Step 5: Solve for x
    x = 50,210,569.94/7,930.41
  6. Step 6: Final answer
    x = 6,331.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.