Home / 6,699.30-10,018.77-5,118.51

Finding the Fourth Proportional to 6,699.30, 10,018.77 and 5,118.51

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Solution

The fourth proportional to 6,699.30, 10,018.77 and 5,118.51 is: 7,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.30 : 10,018.77 = 5,118.51 : x
  2. Step 2: Convert to fraction form
    6,699.30/10,018.77 = 5,118.51/x
  3. Step 3: Cross multiply
    6,699.30x = 10,018.77 × 5,118.51
  4. Step 4: Simplify right side
    6,699.30x = 51,281,174.43
  5. Step 5: Solve for x
    x = 51,281,174.43/6,699.30
  6. Step 6: Final answer
    x = 7,654.71

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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.