Home / 7,515.24-11,270.42-4,395.12

Finding the Fourth Proportional to 7,515.24, 11,270.42 and 4,395.12

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Solution

The fourth proportional to 7,515.24, 11,270.42 and 4,395.12 is: 6,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.24 : 11,270.42 = 4,395.12 : x
  2. Step 2: Convert to fraction form
    7,515.24/11,270.42 = 4,395.12/x
  3. Step 3: Cross multiply
    7,515.24x = 11,270.42 × 4,395.12
  4. Step 4: Simplify right side
    7,515.24x = 49,534,848.35
  5. Step 5: Solve for x
    x = 49,534,848.35/7,515.24
  6. Step 6: Final answer
    x = 6,591.25

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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.