Home / 6,690.04-10,031.75-3,917.41

Finding the Fourth Proportional to 6,690.04, 10,031.75 and 3,917.41

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Solution

The fourth proportional to 6,690.04, 10,031.75 and 3,917.41 is: 5,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.04 : 10,031.75 = 3,917.41 : x
  2. Step 2: Convert to fraction form
    6,690.04/10,031.75 = 3,917.41/x
  3. Step 3: Cross multiply
    6,690.04x = 10,031.75 × 3,917.41
  4. Step 4: Simplify right side
    6,690.04x = 39,298,477.77
  5. Step 5: Solve for x
    x = 39,298,477.77/6,690.04
  6. Step 6: Final answer
    x = 5,874.18

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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.