Home / 7,818.96-10,790.25-4,282.11

Finding the Fourth Proportional to 7,818.96, 10,790.25 and 4,282.11

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Solution

The fourth proportional to 7,818.96, 10,790.25 and 4,282.11 is: 5,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.96 : 10,790.25 = 4,282.11 : x
  2. Step 2: Convert to fraction form
    7,818.96/10,790.25 = 4,282.11/x
  3. Step 3: Cross multiply
    7,818.96x = 10,790.25 × 4,282.11
  4. Step 4: Simplify right side
    7,818.96x = 46,205,037.43
  5. Step 5: Solve for x
    x = 46,205,037.43/7,818.96
  6. Step 6: Final answer
    x = 5,909.36

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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.