Home / 5,555.70-7,661.79-3,562.74

Finding the Fourth Proportional to 5,555.70, 7,661.79 and 3,562.74

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Solution

The fourth proportional to 5,555.70, 7,661.79 and 3,562.74 is: 4,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.70 : 7,661.79 = 3,562.74 : x
  2. Step 2: Convert to fraction form
    5,555.70/7,661.79 = 3,562.74/x
  3. Step 3: Cross multiply
    5,555.70x = 7,661.79 × 3,562.74
  4. Step 4: Simplify right side
    5,555.70x = 27,296,965.70
  5. Step 5: Solve for x
    x = 27,296,965.70/5,555.70
  6. Step 6: Final answer
    x = 4,913.33

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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.