Home / 7,818.02-11,727.09-1,974.62

Finding the Fourth Proportional to 7,818.02, 11,727.09 and 1,974.62

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Solution

The fourth proportional to 7,818.02, 11,727.09 and 1,974.62 is: 2,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.02 : 11,727.09 = 1,974.62 : x
  2. Step 2: Convert to fraction form
    7,818.02/11,727.09 = 1,974.62/x
  3. Step 3: Cross multiply
    7,818.02x = 11,727.09 × 1,974.62
  4. Step 4: Simplify right side
    7,818.02x = 23,156,487.82
  5. Step 5: Solve for x
    x = 23,156,487.82/7,818.02
  6. Step 6: Final answer
    x = 2,961.94

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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.