Home / 7,818.17-11,729.44-3,141.46

Finding the Fourth Proportional to 7,818.17, 11,729.44 and 3,141.46

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Solution

The fourth proportional to 7,818.17, 11,729.44 and 3,141.46 is: 4,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.17 : 11,729.44 = 3,141.46 : x
  2. Step 2: Convert to fraction form
    7,818.17/11,729.44 = 3,141.46/x
  3. Step 3: Cross multiply
    7,818.17x = 11,729.44 × 3,141.46
  4. Step 4: Simplify right side
    7,818.17x = 36,847,492.23
  5. Step 5: Solve for x
    x = 36,847,492.23/7,818.17
  6. Step 6: Final answer
    x = 4,713.06

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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.