Home / 5,334.39-8,002.07-1,385.64

Finding the Fourth Proportional to 5,334.39, 8,002.07 and 1,385.64

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Solution

The fourth proportional to 5,334.39, 8,002.07 and 1,385.64 is: 2,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.39 : 8,002.07 = 1,385.64 : x
  2. Step 2: Convert to fraction form
    5,334.39/8,002.07 = 1,385.64/x
  3. Step 3: Cross multiply
    5,334.39x = 8,002.07 × 1,385.64
  4. Step 4: Simplify right side
    5,334.39x = 11,087,988.27
  5. Step 5: Solve for x
    x = 11,087,988.27/5,334.39
  6. Step 6: Final answer
    x = 2,078.59

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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.