Home / 5,914.40-8,160.12-3,555.68

Finding the Fourth Proportional to 5,914.40, 8,160.12 and 3,555.68

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Solution

The fourth proportional to 5,914.40, 8,160.12 and 3,555.68 is: 4,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.40 : 8,160.12 = 3,555.68 : x
  2. Step 2: Convert to fraction form
    5,914.40/8,160.12 = 3,555.68/x
  3. Step 3: Cross multiply
    5,914.40x = 8,160.12 × 3,555.68
  4. Step 4: Simplify right side
    5,914.40x = 29,014,775.48
  5. Step 5: Solve for x
    x = 29,014,775.48/5,914.40
  6. Step 6: Final answer
    x = 4,905.79

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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.