Home / 9,269.12-13,903.32-3,720.80

Finding the Fourth Proportional to 9,269.12, 13,903.32 and 3,720.80

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Solution

The fourth proportional to 9,269.12, 13,903.32 and 3,720.80 is: 5,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.12 : 13,903.32 = 3,720.80 : x
  2. Step 2: Convert to fraction form
    9,269.12/13,903.32 = 3,720.80/x
  3. Step 3: Cross multiply
    9,269.12x = 13,903.32 × 3,720.80
  4. Step 4: Simplify right side
    9,269.12x = 51,731,473.06
  5. Step 5: Solve for x
    x = 51,731,473.06/9,269.12
  6. Step 6: Final answer
    x = 5,581.06

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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.