Home / 7,522.56-11,288.16-6,485.76

Finding the Fourth Proportional to 7,522.56, 11,288.16 and 6,485.76

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Solution

The fourth proportional to 7,522.56, 11,288.16 and 6,485.76 is: 9,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.56 : 11,288.16 = 6,485.76 : x
  2. Step 2: Convert to fraction form
    7,522.56/11,288.16 = 6,485.76/x
  3. Step 3: Cross multiply
    7,522.56x = 11,288.16 × 6,485.76
  4. Step 4: Simplify right side
    7,522.56x = 73,212,296.60
  5. Step 5: Solve for x
    x = 73,212,296.60/7,522.56
  6. Step 6: Final answer
    x = 9,732.36

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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.