Home / 8,375.49-11,557.32-4,839.84

Finding the Fourth Proportional to 8,375.49, 11,557.32 and 4,839.84

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Solution

The fourth proportional to 8,375.49, 11,557.32 and 4,839.84 is: 6,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.49 : 11,557.32 = 4,839.84 : x
  2. Step 2: Convert to fraction form
    8,375.49/11,557.32 = 4,839.84/x
  3. Step 3: Cross multiply
    8,375.49x = 11,557.32 × 4,839.84
  4. Step 4: Simplify right side
    8,375.49x = 55,935,579.63
  5. Step 5: Solve for x
    x = 55,935,579.63/8,375.49
  6. Step 6: Final answer
    x = 6,678.48

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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.