Home / 7,795.31-11,681.56-3,845.39

Finding the Fourth Proportional to 7,795.31, 11,681.56 and 3,845.39

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Solution

The fourth proportional to 7,795.31, 11,681.56 and 3,845.39 is: 5,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.31 : 11,681.56 = 3,845.39 : x
  2. Step 2: Convert to fraction form
    7,795.31/11,681.56 = 3,845.39/x
  3. Step 3: Cross multiply
    7,795.31x = 11,681.56 × 3,845.39
  4. Step 4: Simplify right side
    7,795.31x = 44,920,154.01
  5. Step 5: Solve for x
    x = 44,920,154.01/7,795.31
  6. Step 6: Final answer
    x = 5,762.46

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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.