Home / 5,433.64-8,148.93-2,101.12

Finding the Fourth Proportional to 5,433.64, 8,148.93 and 2,101.12

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Solution

The fourth proportional to 5,433.64, 8,148.93 and 2,101.12 is: 3,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.64 : 8,148.93 = 2,101.12 : x
  2. Step 2: Convert to fraction form
    5,433.64/8,148.93 = 2,101.12/x
  3. Step 3: Cross multiply
    5,433.64x = 8,148.93 × 2,101.12
  4. Step 4: Simplify right side
    5,433.64x = 17,121,879.80
  5. Step 5: Solve for x
    x = 17,121,879.80/5,433.64
  6. Step 6: Final answer
    x = 3,151.09

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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.