Home / 8,480.48-11,708.84-5,298.62

Finding the Fourth Proportional to 8,480.48, 11,708.84 and 5,298.62

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Solution

The fourth proportional to 8,480.48, 11,708.84 and 5,298.62 is: 7,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.48 : 11,708.84 = 5,298.62 : x
  2. Step 2: Convert to fraction form
    8,480.48/11,708.84 = 5,298.62/x
  3. Step 3: Cross multiply
    8,480.48x = 11,708.84 × 5,298.62
  4. Step 4: Simplify right side
    8,480.48x = 62,040,648.50
  5. Step 5: Solve for x
    x = 62,040,648.50/8,480.48
  6. Step 6: Final answer
    x = 7,315.70

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