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Finding the Fourth Proportional to 5,275.93, 7,926.21 and 4,537.81

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Solution

The fourth proportional to 5,275.93, 7,926.21 and 4,537.81 is: 6,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.93 : 7,926.21 = 4,537.81 : x
  2. Step 2: Convert to fraction form
    5,275.93/7,926.21 = 4,537.81/x
  3. Step 3: Cross multiply
    5,275.93x = 7,926.21 × 4,537.81
  4. Step 4: Simplify right side
    5,275.93x = 35,967,612.31
  5. Step 5: Solve for x
    x = 35,967,612.31/5,275.93
  6. Step 6: Final answer
    x = 6,817.31

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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.