Home / 8,624.25-11,901.50-4,847.29

Finding the Fourth Proportional to 8,624.25, 11,901.50 and 4,847.29

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Solution

The fourth proportional to 8,624.25, 11,901.50 and 4,847.29 is: 6,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.25 : 11,901.50 = 4,847.29 : x
  2. Step 2: Convert to fraction form
    8,624.25/11,901.50 = 4,847.29/x
  3. Step 3: Cross multiply
    8,624.25x = 11,901.50 × 4,847.29
  4. Step 4: Simplify right side
    8,624.25x = 57,689,986.12
  5. Step 5: Solve for x
    x = 57,689,986.12/8,624.25
  6. Step 6: Final answer
    x = 6,689.28

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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.