Home / 7,818.15-10,788.97-4,233.09

Finding the Fourth Proportional to 7,818.15, 10,788.97 and 4,233.09

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Solution

The fourth proportional to 7,818.15, 10,788.97 and 4,233.09 is: 5,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.15 : 10,788.97 = 4,233.09 : x
  2. Step 2: Convert to fraction form
    7,818.15/10,788.97 = 4,233.09/x
  3. Step 3: Cross multiply
    7,818.15x = 10,788.97 × 4,233.09
  4. Step 4: Simplify right side
    7,818.15x = 45,670,681.02
  5. Step 5: Solve for x
    x = 45,670,681.02/7,818.15
  6. Step 6: Final answer
    x = 5,841.62

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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.