Home / 7,385.49-10,190.78-4,400.24

Finding the Fourth Proportional to 7,385.49, 10,190.78 and 4,400.24

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Solution

The fourth proportional to 7,385.49, 10,190.78 and 4,400.24 is: 6,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.49 : 10,190.78 = 4,400.24 : x
  2. Step 2: Convert to fraction form
    7,385.49/10,190.78 = 4,400.24/x
  3. Step 3: Cross multiply
    7,385.49x = 10,190.78 × 4,400.24
  4. Step 4: Simplify right side
    7,385.49x = 44,841,877.79
  5. Step 5: Solve for x
    x = 44,841,877.79/7,385.49
  6. Step 6: Final answer
    x = 6,071.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.