Home / 7,630.45-11,429.95-3,670.01

Finding the Fourth Proportional to 7,630.45, 11,429.95 and 3,670.01

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Solution

The fourth proportional to 7,630.45, 11,429.95 and 3,670.01 is: 5,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.45 : 11,429.95 = 3,670.01 : x
  2. Step 2: Convert to fraction form
    7,630.45/11,429.95 = 3,670.01/x
  3. Step 3: Cross multiply
    7,630.45x = 11,429.95 × 3,670.01
  4. Step 4: Simplify right side
    7,630.45x = 41,948,057.28
  5. Step 5: Solve for x
    x = 41,948,057.28/7,630.45
  6. Step 6: Final answer
    x = 5,497.45

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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.