Home / 8,989.08-13,471.98-6,211.32

Finding the Fourth Proportional to 8,989.08, 13,471.98 and 6,211.32

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Solution

The fourth proportional to 8,989.08, 13,471.98 and 6,211.32 is: 9,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.08 : 13,471.98 = 6,211.32 : x
  2. Step 2: Convert to fraction form
    8,989.08/13,471.98 = 6,211.32/x
  3. Step 3: Cross multiply
    8,989.08x = 13,471.98 × 6,211.32
  4. Step 4: Simplify right side
    8,989.08x = 83,678,778.81
  5. Step 5: Solve for x
    x = 83,678,778.81/8,989.08
  6. Step 6: Final answer
    x = 9,308.94

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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.