Home / 5,644.40-8,464.52-1,945.60

Finding the Fourth Proportional to 5,644.40, 8,464.52 and 1,945.60

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Solution

The fourth proportional to 5,644.40, 8,464.52 and 1,945.60 is: 2,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.40 : 8,464.52 = 1,945.60 : x
  2. Step 2: Convert to fraction form
    5,644.40/8,464.52 = 1,945.60/x
  3. Step 3: Cross multiply
    5,644.40x = 8,464.52 × 1,945.60
  4. Step 4: Simplify right side
    5,644.40x = 16,468,570.11
  5. Step 5: Solve for x
    x = 16,468,570.11/5,644.40
  6. Step 6: Final answer
    x = 2,917.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.