Home / 5,515.94-8,272.28-5,460.06

Finding the Fourth Proportional to 5,515.94, 8,272.28 and 5,460.06

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Solution

The fourth proportional to 5,515.94, 8,272.28 and 5,460.06 is: 8,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.94 : 8,272.28 = 5,460.06 : x
  2. Step 2: Convert to fraction form
    5,515.94/8,272.28 = 5,460.06/x
  3. Step 3: Cross multiply
    5,515.94x = 8,272.28 × 5,460.06
  4. Step 4: Simplify right side
    5,515.94x = 45,167,145.14
  5. Step 5: Solve for x
    x = 45,167,145.14/5,515.94
  6. Step 6: Final answer
    x = 8,188.48

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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.