Home / 7,818.82-10,790.18-4,282.26

Finding the Fourth Proportional to 7,818.82, 10,790.18 and 4,282.26

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Solution

The fourth proportional to 7,818.82, 10,790.18 and 4,282.26 is: 5,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.82 : 10,790.18 = 4,282.26 : x
  2. Step 2: Convert to fraction form
    7,818.82/10,790.18 = 4,282.26/x
  3. Step 3: Cross multiply
    7,818.82x = 10,790.18 × 4,282.26
  4. Step 4: Simplify right side
    7,818.82x = 46,206,356.21
  5. Step 5: Solve for x
    x = 46,206,356.21/7,818.82
  6. Step 6: Final answer
    x = 5,909.63

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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.