Home / 6,690.28-10,032.02-3,917.82

Finding the Fourth Proportional to 6,690.28, 10,032.02 and 3,917.82

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Solution

The fourth proportional to 6,690.28, 10,032.02 and 3,917.82 is: 5,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.28 : 10,032.02 = 3,917.82 : x
  2. Step 2: Convert to fraction form
    6,690.28/10,032.02 = 3,917.82/x
  3. Step 3: Cross multiply
    6,690.28x = 10,032.02 × 3,917.82
  4. Step 4: Simplify right side
    6,690.28x = 39,303,648.60
  5. Step 5: Solve for x
    x = 39,303,648.60/6,690.28
  6. Step 6: Final answer
    x = 5,874.74

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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.