Home / 7,818.89-10,790.16-4,282.25

Finding the Fourth Proportional to 7,818.89, 10,790.16 and 4,282.25

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Solution

The fourth proportional to 7,818.89, 10,790.16 and 4,282.25 is: 5,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.89 : 10,790.16 = 4,282.25 : x
  2. Step 2: Convert to fraction form
    7,818.89/10,790.16 = 4,282.25/x
  3. Step 3: Cross multiply
    7,818.89x = 10,790.16 × 4,282.25
  4. Step 4: Simplify right side
    7,818.89x = 46,206,162.66
  5. Step 5: Solve for x
    x = 46,206,162.66/7,818.89
  6. Step 6: Final answer
    x = 5,909.56

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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.