Home / 7,941.29-11,915.81-5,616.24

Finding the Fourth Proportional to 7,941.29, 11,915.81 and 5,616.24

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Solution

The fourth proportional to 7,941.29, 11,915.81 and 5,616.24 is: 8,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.29 : 11,915.81 = 5,616.24 : x
  2. Step 2: Convert to fraction form
    7,941.29/11,915.81 = 5,616.24/x
  3. Step 3: Cross multiply
    7,941.29x = 11,915.81 × 5,616.24
  4. Step 4: Simplify right side
    7,941.29x = 66,921,997.05
  5. Step 5: Solve for x
    x = 66,921,997.05/7,941.29
  6. Step 6: Final answer
    x = 8,427.09

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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.