Home / 5,515.23-8,265.05-4,276.88

Finding the Fourth Proportional to 5,515.23, 8,265.05 and 4,276.88

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Solution

The fourth proportional to 5,515.23, 8,265.05 and 4,276.88 is: 6,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.23 : 8,265.05 = 4,276.88 : x
  2. Step 2: Convert to fraction form
    5,515.23/8,265.05 = 4,276.88/x
  3. Step 3: Cross multiply
    5,515.23x = 8,265.05 × 4,276.88
  4. Step 4: Simplify right side
    5,515.23x = 35,348,627.04
  5. Step 5: Solve for x
    x = 35,348,627.04/5,515.23
  6. Step 6: Final answer
    x = 6,409.28

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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.