Home / 6,345-8,756.91-3,551.04

Finding the Fourth Proportional to 6,345, 8,756.91 and 3,551.04

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Solution

The fourth proportional to 6,345, 8,756.91 and 3,551.04 is: 4,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345 : 8,756.91 = 3,551.04 : x
  2. Step 2: Convert to fraction form
    6,345/8,756.91 = 3,551.04/x
  3. Step 3: Cross multiply
    6,345x = 8,756.91 × 3,551.04
  4. Step 4: Simplify right side
    6,345x = 31,096,137.69
  5. Step 5: Solve for x
    x = 31,096,137.69/6,345
  6. Step 6: Final answer
    x = 4,900.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.