Home / 7,818.58-11,727.60-3,010.69

Finding the Fourth Proportional to 7,818.58, 11,727.60 and 3,010.69

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Solution

The fourth proportional to 7,818.58, 11,727.60 and 3,010.69 is: 4,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.58 : 11,727.60 = 3,010.69 : x
  2. Step 2: Convert to fraction form
    7,818.58/11,727.60 = 3,010.69/x
  3. Step 3: Cross multiply
    7,818.58x = 11,727.60 × 3,010.69
  4. Step 4: Simplify right side
    7,818.58x = 35,308,168.04
  5. Step 5: Solve for x
    x = 35,308,168.04/7,818.58
  6. Step 6: Final answer
    x = 4,515.93

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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.