Home / 7,141.32-10,713.80-2,983.18

Finding the Fourth Proportional to 7,141.32, 10,713.80 and 2,983.18

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Solution

The fourth proportional to 7,141.32, 10,713.80 and 2,983.18 is: 4,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.32 : 10,713.80 = 2,983.18 : x
  2. Step 2: Convert to fraction form
    7,141.32/10,713.80 = 2,983.18/x
  3. Step 3: Cross multiply
    7,141.32x = 10,713.80 × 2,983.18
  4. Step 4: Simplify right side
    7,141.32x = 31,961,193.88
  5. Step 5: Solve for x
    x = 31,961,193.88/7,141.32
  6. Step 6: Final answer
    x = 4,475.53

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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.