Home / 5,277.36-7,916.04-2,318.72

Finding the Fourth Proportional to 5,277.36, 7,916.04 and 2,318.72

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Solution

The fourth proportional to 5,277.36, 7,916.04 and 2,318.72 is: 3,478.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.36 : 7,916.04 = 2,318.72 : x
  2. Step 2: Convert to fraction form
    5,277.36/7,916.04 = 2,318.72/x
  3. Step 3: Cross multiply
    5,277.36x = 7,916.04 × 2,318.72
  4. Step 4: Simplify right side
    5,277.36x = 18,355,080.27
  5. Step 5: Solve for x
    x = 18,355,080.27/5,277.36
  6. Step 6: Final answer
    x = 3,478.08

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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.