Home / 6,881.13-10,315.31-3,590.28

Finding the Fourth Proportional to 6,881.13, 10,315.31 and 3,590.28

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Solution

The fourth proportional to 6,881.13, 10,315.31 and 3,590.28 is: 5,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.13 : 10,315.31 = 3,590.28 : x
  2. Step 2: Convert to fraction form
    6,881.13/10,315.31 = 3,590.28/x
  3. Step 3: Cross multiply
    6,881.13x = 10,315.31 × 3,590.28
  4. Step 4: Simplify right side
    6,881.13x = 37,034,833.24
  5. Step 5: Solve for x
    x = 37,034,833.24/6,881.13
  6. Step 6: Final answer
    x = 5,382.09

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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.