Home / 8,617.08-11,897.28-6,624.12

Finding the Fourth Proportional to 8,617.08, 11,897.28 and 6,624.12

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Solution

The fourth proportional to 8,617.08, 11,897.28 and 6,624.12 is: 9,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.08 : 11,897.28 = 6,624.12 : x
  2. Step 2: Convert to fraction form
    8,617.08/11,897.28 = 6,624.12/x
  3. Step 3: Cross multiply
    8,617.08x = 11,897.28 × 6,624.12
  4. Step 4: Simplify right side
    8,617.08x = 78,809,010.39
  5. Step 5: Solve for x
    x = 78,809,010.39/8,617.08
  6. Step 6: Final answer
    x = 9,145.67

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1.5x scale

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.