Home / 7,679.56-11,529.18-5,225.32

Finding the Fourth Proportional to 7,679.56, 11,529.18 and 5,225.32

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Solution

The fourth proportional to 7,679.56, 11,529.18 and 5,225.32 is: 7,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.56 : 11,529.18 = 5,225.32 : x
  2. Step 2: Convert to fraction form
    7,679.56/11,529.18 = 5,225.32/x
  3. Step 3: Cross multiply
    7,679.56x = 11,529.18 × 5,225.32
  4. Step 4: Simplify right side
    7,679.56x = 60,243,654.84
  5. Step 5: Solve for x
    x = 60,243,654.84/7,679.56
  6. Step 6: Final answer
    x = 7,844.68

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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.