Home / 8,919.08-13,369.76-4,230.84

Finding the Fourth Proportional to 8,919.08, 13,369.76 and 4,230.84

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Solution

The fourth proportional to 8,919.08, 13,369.76 and 4,230.84 is: 6,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.08 : 13,369.76 = 4,230.84 : x
  2. Step 2: Convert to fraction form
    8,919.08/13,369.76 = 4,230.84/x
  3. Step 3: Cross multiply
    8,919.08x = 13,369.76 × 4,230.84
  4. Step 4: Simplify right side
    8,919.08x = 56,565,315.40
  5. Step 5: Solve for x
    x = 56,565,315.40/8,919.08
  6. Step 6: Final answer
    x = 6,342.06

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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.