Home / 8,909.24-13,363.80-3,643.13

Finding the Fourth Proportional to 8,909.24, 13,363.80 and 3,643.13

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Solution

The fourth proportional to 8,909.24, 13,363.80 and 3,643.13 is: 5,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.24 : 13,363.80 = 3,643.13 : x
  2. Step 2: Convert to fraction form
    8,909.24/13,363.80 = 3,643.13/x
  3. Step 3: Cross multiply
    8,909.24x = 13,363.80 × 3,643.13
  4. Step 4: Simplify right side
    8,909.24x = 48,686,060.69
  5. Step 5: Solve for x
    x = 48,686,060.69/8,909.24
  6. Step 6: Final answer
    x = 5,464.67

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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.