Home / 5,555.22-7,660.35-3,455.70

Finding the Fourth Proportional to 5,555.22, 7,660.35 and 3,455.70

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Solution

The fourth proportional to 5,555.22, 7,660.35 and 3,455.70 is: 4,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.22 : 7,660.35 = 3,455.70 : x
  2. Step 2: Convert to fraction form
    5,555.22/7,660.35 = 3,455.70/x
  3. Step 3: Cross multiply
    5,555.22x = 7,660.35 × 3,455.70
  4. Step 4: Simplify right side
    5,555.22x = 26,471,871.50
  5. Step 5: Solve for x
    x = 26,471,871.50/5,555.22
  6. Step 6: Final answer
    x = 4,765.22

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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.