Home / 8,624.13-11,885.99-7,426.05

Finding the Fourth Proportional to 8,624.13, 11,885.99 and 7,426.05

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Solution

The fourth proportional to 8,624.13, 11,885.99 and 7,426.05 is: 10,234.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.13 : 11,885.99 = 7,426.05 : x
  2. Step 2: Convert to fraction form
    8,624.13/11,885.99 = 7,426.05/x
  3. Step 3: Cross multiply
    8,624.13x = 11,885.99 × 7,426.05
  4. Step 4: Simplify right side
    8,624.13x = 88,265,918.91
  5. Step 5: Solve for x
    x = 88,265,918.91/8,624.13
  6. Step 6: Final answer
    x = 10,234.76

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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.