Home / 9,387.20-14,082.24-2,812.64

Finding the Fourth Proportional to 9,387.20, 14,082.24 and 2,812.64

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Solution

The fourth proportional to 9,387.20, 14,082.24 and 2,812.64 is: 4,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.20 : 14,082.24 = 2,812.64 : x
  2. Step 2: Convert to fraction form
    9,387.20/14,082.24 = 2,812.64/x
  3. Step 3: Cross multiply
    9,387.20x = 14,082.24 × 2,812.64
  4. Step 4: Simplify right side
    9,387.20x = 39,608,271.51
  5. Step 5: Solve for x
    x = 39,608,271.51/9,387.20
  6. Step 6: Final answer
    x = 4,219.39

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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.