Home / 6,987.38-10,482.87-2,057.18

Finding the Fourth Proportional to 6,987.38, 10,482.87 and 2,057.18

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Solution

The fourth proportional to 6,987.38, 10,482.87 and 2,057.18 is: 3,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.38 : 10,482.87 = 2,057.18 : x
  2. Step 2: Convert to fraction form
    6,987.38/10,482.87 = 2,057.18/x
  3. Step 3: Cross multiply
    6,987.38x = 10,482.87 × 2,057.18
  4. Step 4: Simplify right side
    6,987.38x = 21,565,150.51
  5. Step 5: Solve for x
    x = 21,565,150.51/6,987.38
  6. Step 6: Final answer
    x = 3,086.30

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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.