Home / 5,554.49-7,665.40-3,036.77

Finding the Fourth Proportional to 5,554.49, 7,665.40 and 3,036.77

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Solution

The fourth proportional to 5,554.49, 7,665.40 and 3,036.77 is: 4,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.49 : 7,665.40 = 3,036.77 : x
  2. Step 2: Convert to fraction form
    5,554.49/7,665.40 = 3,036.77/x
  3. Step 3: Cross multiply
    5,554.49x = 7,665.40 × 3,036.77
  4. Step 4: Simplify right side
    5,554.49x = 23,278,010.84
  5. Step 5: Solve for x
    x = 23,278,010.84/5,554.49
  6. Step 6: Final answer
    x = 4,190.85

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Half scale
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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.