Home / 7,113.22-10,667.09-4,915.28

Finding the Fourth Proportional to 7,113.22, 10,667.09 and 4,915.28

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Solution

The fourth proportional to 7,113.22, 10,667.09 and 4,915.28 is: 7,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.22 : 10,667.09 = 4,915.28 : x
  2. Step 2: Convert to fraction form
    7,113.22/10,667.09 = 4,915.28/x
  3. Step 3: Cross multiply
    7,113.22x = 10,667.09 × 4,915.28
  4. Step 4: Simplify right side
    7,113.22x = 52,431,773.09
  5. Step 5: Solve for x
    x = 52,431,773.09/7,113.22
  6. Step 6: Final answer
    x = 7,371.03

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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.