Home / 7,818.52-10,789.68-4,282.06

Finding the Fourth Proportional to 7,818.52, 10,789.68 and 4,282.06

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Solution

The fourth proportional to 7,818.52, 10,789.68 and 4,282.06 is: 5,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.52 : 10,789.68 = 4,282.06 : x
  2. Step 2: Convert to fraction form
    7,818.52/10,789.68 = 4,282.06/x
  3. Step 3: Cross multiply
    7,818.52x = 10,789.68 × 4,282.06
  4. Step 4: Simplify right side
    7,818.52x = 46,202,057.14
  5. Step 5: Solve for x
    x = 46,202,057.14/7,818.52
  6. Step 6: Final answer
    x = 5,909.31

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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.