Home / 8,647.10-11,933.24-5,289.86

Finding the Fourth Proportional to 8,647.10, 11,933.24 and 5,289.86

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Solution

The fourth proportional to 8,647.10, 11,933.24 and 5,289.86 is: 7,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.10 : 11,933.24 = 5,289.86 : x
  2. Step 2: Convert to fraction form
    8,647.10/11,933.24 = 5,289.86/x
  3. Step 3: Cross multiply
    8,647.10x = 11,933.24 × 5,289.86
  4. Step 4: Simplify right side
    8,647.10x = 63,125,082.83
  5. Step 5: Solve for x
    x = 63,125,082.83/8,647.10
  6. Step 6: Final answer
    x = 7,300.15

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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.