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Finding the Fourth Proportional to 7,490.25, 10,336.59 and 4,133.01

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Solution

The fourth proportional to 7,490.25, 10,336.59 and 4,133.01 is: 5,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.25 : 10,336.59 = 4,133.01 : x
  2. Step 2: Convert to fraction form
    7,490.25/10,336.59 = 4,133.01/x
  3. Step 3: Cross multiply
    7,490.25x = 10,336.59 × 4,133.01
  4. Step 4: Simplify right side
    7,490.25x = 42,721,229.84
  5. Step 5: Solve for x
    x = 42,721,229.84/7,490.25
  6. Step 6: Final answer
    x = 5,703.58

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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.