Home / 9,135.25-12,606.65-4,943.50

Finding the Fourth Proportional to 9,135.25, 12,606.65 and 4,943.50

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Solution

The fourth proportional to 9,135.25, 12,606.65 and 4,943.50 is: 6,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.25 : 12,606.65 = 4,943.50 : x
  2. Step 2: Convert to fraction form
    9,135.25/12,606.65 = 4,943.50/x
  3. Step 3: Cross multiply
    9,135.25x = 12,606.65 × 4,943.50
  4. Step 4: Simplify right side
    9,135.25x = 62,320,974.28
  5. Step 5: Solve for x
    x = 62,320,974.28/9,135.25
  6. Step 6: Final answer
    x = 6,822.03

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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.