Home / 6,939.90-10,459.80-5,977.62

Finding the Fourth Proportional to 6,939.90, 10,459.80 and 5,977.62

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Solution

The fourth proportional to 6,939.90, 10,459.80 and 5,977.62 is: 9,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.90 : 10,459.80 = 5,977.62 : x
  2. Step 2: Convert to fraction form
    6,939.90/10,459.80 = 5,977.62/x
  3. Step 3: Cross multiply
    6,939.90x = 10,459.80 × 5,977.62
  4. Step 4: Simplify right side
    6,939.90x = 62,524,709.68
  5. Step 5: Solve for x
    x = 62,524,709.68/6,939.90
  6. Step 6: Final answer
    x = 9,009.45

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.