Home / 7,151.72-10,725.55-4,515.28

Finding the Fourth Proportional to 7,151.72, 10,725.55 and 4,515.28

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Solution

The fourth proportional to 7,151.72, 10,725.55 and 4,515.28 is: 6,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.72 : 10,725.55 = 4,515.28 : x
  2. Step 2: Convert to fraction form
    7,151.72/10,725.55 = 4,515.28/x
  3. Step 3: Cross multiply
    7,151.72x = 10,725.55 × 4,515.28
  4. Step 4: Simplify right side
    7,151.72x = 48,428,823.30
  5. Step 5: Solve for x
    x = 48,428,823.30/7,151.72
  6. Step 6: Final answer
    x = 6,771.64

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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.