Home / 7,331.10-10,994.53-3,580.57

Finding the Fourth Proportional to 7,331.10, 10,994.53 and 3,580.57

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Solution

The fourth proportional to 7,331.10, 10,994.53 and 3,580.57 is: 5,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.10 : 10,994.53 = 3,580.57 : x
  2. Step 2: Convert to fraction form
    7,331.10/10,994.53 = 3,580.57/x
  3. Step 3: Cross multiply
    7,331.10x = 10,994.53 × 3,580.57
  4. Step 4: Simplify right side
    7,331.10x = 39,366,684.28
  5. Step 5: Solve for x
    x = 39,366,684.28/7,331.10
  6. Step 6: Final answer
    x = 5,369.82

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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.