Home / 9,289.51-13,938.82-4,359.55

Finding the Fourth Proportional to 9,289.51, 13,938.82 and 4,359.55

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Solution

The fourth proportional to 9,289.51, 13,938.82 and 4,359.55 is: 6,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.51 : 13,938.82 = 4,359.55 : x
  2. Step 2: Convert to fraction form
    9,289.51/13,938.82 = 4,359.55/x
  3. Step 3: Cross multiply
    9,289.51x = 13,938.82 × 4,359.55
  4. Step 4: Simplify right side
    9,289.51x = 60,766,936.99
  5. Step 5: Solve for x
    x = 60,766,936.99/9,289.51
  6. Step 6: Final answer
    x = 6,541.46

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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.