Home / 5,284.11-7,916.67-4,971.81

Finding the Fourth Proportional to 5,284.11, 7,916.67 and 4,971.81

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Solution

The fourth proportional to 5,284.11, 7,916.67 and 4,971.81 is: 7,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.11 : 7,916.67 = 4,971.81 : x
  2. Step 2: Convert to fraction form
    5,284.11/7,916.67 = 4,971.81/x
  3. Step 3: Cross multiply
    5,284.11x = 7,916.67 × 4,971.81
  4. Step 4: Simplify right side
    5,284.11x = 39,360,179.07
  5. Step 5: Solve for x
    x = 39,360,179.07/5,284.11
  6. Step 6: Final answer
    x = 7,448.78

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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.