Home / 6,988.19-10,482.62-2,057.87

Finding the Fourth Proportional to 6,988.19, 10,482.62 and 2,057.87

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Solution

The fourth proportional to 6,988.19, 10,482.62 and 2,057.87 is: 3,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.19 : 10,482.62 = 2,057.87 : x
  2. Step 2: Convert to fraction form
    6,988.19/10,482.62 = 2,057.87/x
  3. Step 3: Cross multiply
    6,988.19x = 10,482.62 × 2,057.87
  4. Step 4: Simplify right side
    6,988.19x = 21,571,885.14
  5. Step 5: Solve for x
    x = 21,571,885.14/6,988.19
  6. Step 6: Final answer
    x = 3,086.91

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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.