Home / 8,901.36-13,352.94-3,057.21

Finding the Fourth Proportional to 8,901.36, 13,352.94 and 3,057.21

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Solution

The fourth proportional to 8,901.36, 13,352.94 and 3,057.21 is: 4,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.36 : 13,352.94 = 3,057.21 : x
  2. Step 2: Convert to fraction form
    8,901.36/13,352.94 = 3,057.21/x
  3. Step 3: Cross multiply
    8,901.36x = 13,352.94 × 3,057.21
  4. Step 4: Simplify right side
    8,901.36x = 40,822,741.70
  5. Step 5: Solve for x
    x = 40,822,741.70/8,901.36
  6. Step 6: Final answer
    x = 4,586.12

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1.5x scale

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.