Home / 6,515.52-9,751.20-5,476.80

Finding the Fourth Proportional to 6,515.52, 9,751.20 and 5,476.80

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Solution

The fourth proportional to 6,515.52, 9,751.20 and 5,476.80 is: 8,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.52 : 9,751.20 = 5,476.80 : x
  2. Step 2: Convert to fraction form
    6,515.52/9,751.20 = 5,476.80/x
  3. Step 3: Cross multiply
    6,515.52x = 9,751.20 × 5,476.80
  4. Step 4: Simplify right side
    6,515.52x = 53,405,372.16
  5. Step 5: Solve for x
    x = 53,405,372.16/6,515.52
  6. Step 6: Final answer
    x = 8,196.64

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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.