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Finding the Fourth Proportional to 7,484.93, 10,329.18 and 4,502.49

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Solution

The fourth proportional to 7,484.93, 10,329.18 and 4,502.49 is: 6,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.93 : 10,329.18 = 4,502.49 : x
  2. Step 2: Convert to fraction form
    7,484.93/10,329.18 = 4,502.49/x
  3. Step 3: Cross multiply
    7,484.93x = 10,329.18 × 4,502.49
  4. Step 4: Simplify right side
    7,484.93x = 46,507,029.66
  5. Step 5: Solve for x
    x = 46,507,029.66/7,484.93
  6. Step 6: Final answer
    x = 6,213.43

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Why These Related Problems?

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