Home / 5,445.57-8,157.64-3,591.02

Finding the Fourth Proportional to 5,445.57, 8,157.64 and 3,591.02

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Solution

The fourth proportional to 5,445.57, 8,157.64 and 3,591.02 is: 5,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.57 : 8,157.64 = 3,591.02 : x
  2. Step 2: Convert to fraction form
    5,445.57/8,157.64 = 3,591.02/x
  3. Step 3: Cross multiply
    5,445.57x = 8,157.64 × 3,591.02
  4. Step 4: Simplify right side
    5,445.57x = 29,294,248.39
  5. Step 5: Solve for x
    x = 29,294,248.39/5,445.57
  6. Step 6: Final answer
    x = 5,379.46

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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.