Home / 5,458.13-7,531.69-3,099.81

Finding the Fourth Proportional to 5,458.13, 7,531.69 and 3,099.81

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Solution

The fourth proportional to 5,458.13, 7,531.69 and 3,099.81 is: 4,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.13 : 7,531.69 = 3,099.81 : x
  2. Step 2: Convert to fraction form
    5,458.13/7,531.69 = 3,099.81/x
  3. Step 3: Cross multiply
    5,458.13x = 7,531.69 × 3,099.81
  4. Step 4: Simplify right side
    5,458.13x = 23,346,807.98
  5. Step 5: Solve for x
    x = 23,346,807.98/5,458.13
  6. Step 6: Final answer
    x = 4,277.44

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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.