Home / 5,151.46-7,718.36-3,459.68

Finding the Fourth Proportional to 5,151.46, 7,718.36 and 3,459.68

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Solution

The fourth proportional to 5,151.46, 7,718.36 and 3,459.68 is: 5,183.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.46 : 7,718.36 = 3,459.68 : x
  2. Step 2: Convert to fraction form
    5,151.46/7,718.36 = 3,459.68/x
  3. Step 3: Cross multiply
    5,151.46x = 7,718.36 × 3,459.68
  4. Step 4: Simplify right side
    5,151.46x = 26,703,038.43
  5. Step 5: Solve for x
    x = 26,703,038.43/5,151.46
  6. Step 6: Final answer
    x = 5,183.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.