Home / 5,445.48-8,169.32-2,113.64

Finding the Fourth Proportional to 5,445.48, 8,169.32 and 2,113.64

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Solution

The fourth proportional to 5,445.48, 8,169.32 and 2,113.64 is: 3,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.48 : 8,169.32 = 2,113.64 : x
  2. Step 2: Convert to fraction form
    5,445.48/8,169.32 = 2,113.64/x
  3. Step 3: Cross multiply
    5,445.48x = 8,169.32 × 2,113.64
  4. Step 4: Simplify right side
    5,445.48x = 17,267,001.52
  5. Step 5: Solve for x
    x = 17,267,001.52/5,445.48
  6. Step 6: Final answer
    x = 3,170.89

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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.