Home / 7,945.84-11,916.32-5,496.40

Finding the Fourth Proportional to 7,945.84, 11,916.32 and 5,496.40

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Solution

The fourth proportional to 7,945.84, 11,916.32 and 5,496.40 is: 8,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.84 : 11,916.32 = 5,496.40 : x
  2. Step 2: Convert to fraction form
    7,945.84/11,916.32 = 5,496.40/x
  3. Step 3: Cross multiply
    7,945.84x = 11,916.32 × 5,496.40
  4. Step 4: Simplify right side
    7,945.84x = 65,496,861.25
  5. Step 5: Solve for x
    x = 65,496,861.25/7,945.84
  6. Step 6: Final answer
    x = 8,242.91

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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.