Home / 7,892.07-11,841.59-4,193.40

Finding the Fourth Proportional to 7,892.07, 11,841.59 and 4,193.40

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Solution

The fourth proportional to 7,892.07, 11,841.59 and 4,193.40 is: 6,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.07 : 11,841.59 = 4,193.40 : x
  2. Step 2: Convert to fraction form
    7,892.07/11,841.59 = 4,193.40/x
  3. Step 3: Cross multiply
    7,892.07x = 11,841.59 × 4,193.40
  4. Step 4: Simplify right side
    7,892.07x = 49,656,578.40
  5. Step 5: Solve for x
    x = 49,656,578.40/7,892.07
  6. Step 6: Final answer
    x = 6,291.96

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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.