Home / 5,620.74-7,755.24-3,437.36

Finding the Fourth Proportional to 5,620.74, 7,755.24 and 3,437.36

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Solution

The fourth proportional to 5,620.74, 7,755.24 and 3,437.36 is: 4,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.74 : 7,755.24 = 3,437.36 : x
  2. Step 2: Convert to fraction form
    5,620.74/7,755.24 = 3,437.36/x
  3. Step 3: Cross multiply
    5,620.74x = 7,755.24 × 3,437.36
  4. Step 4: Simplify right side
    5,620.74x = 26,657,551.77
  5. Step 5: Solve for x
    x = 26,657,551.77/5,620.74
  6. Step 6: Final answer
    x = 4,742.71

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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.