Home / 7,818.99-11,725.64-2,270.85

Finding the Fourth Proportional to 7,818.99, 11,725.64 and 2,270.85

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Solution

The fourth proportional to 7,818.99, 11,725.64 and 2,270.85 is: 3,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.99 : 11,725.64 = 2,270.85 : x
  2. Step 2: Convert to fraction form
    7,818.99/11,725.64 = 2,270.85/x
  3. Step 3: Cross multiply
    7,818.99x = 11,725.64 × 2,270.85
  4. Step 4: Simplify right side
    7,818.99x = 26,627,169.59
  5. Step 5: Solve for x
    x = 26,627,169.59/7,818.99
  6. Step 6: Final answer
    x = 3,405.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.