Home / 5,496.10-8,220.15-4,915.30

Finding the Fourth Proportional to 5,496.10, 8,220.15 and 4,915.30

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Solution

The fourth proportional to 5,496.10, 8,220.15 and 4,915.30 is: 7,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,496.10 : 8,220.15 = 4,915.30 : x
  2. Step 2: Convert to fraction form
    5,496.10/8,220.15 = 4,915.30/x
  3. Step 3: Cross multiply
    5,496.10x = 8,220.15 × 4,915.30
  4. Step 4: Simplify right side
    5,496.10x = 40,404,503.30
  5. Step 5: Solve for x
    x = 40,404,503.30/5,496.10
  6. Step 6: Final answer
    x = 7,351.49

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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.