Home / 9,135.38-12,606.84-4,943.63

Finding the Fourth Proportional to 9,135.38, 12,606.84 and 4,943.63

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Solution

The fourth proportional to 9,135.38, 12,606.84 and 4,943.63 is: 6,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.38 : 12,606.84 = 4,943.63 : x
  2. Step 2: Convert to fraction form
    9,135.38/12,606.84 = 4,943.63/x
  3. Step 3: Cross multiply
    9,135.38x = 12,606.84 × 4,943.63
  4. Step 4: Simplify right side
    9,135.38x = 62,323,583.95
  5. Step 5: Solve for x
    x = 62,323,583.95/9,135.38
  6. Step 6: Final answer
    x = 6,822.22

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1.5x scale

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.