Home / 5,512.66-8,260.89-4,345.45

Finding the Fourth Proportional to 5,512.66, 8,260.89 and 4,345.45

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Solution

The fourth proportional to 5,512.66, 8,260.89 and 4,345.45 is: 6,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.66 : 8,260.89 = 4,345.45 : x
  2. Step 2: Convert to fraction form
    5,512.66/8,260.89 = 4,345.45/x
  3. Step 3: Cross multiply
    5,512.66x = 8,260.89 × 4,345.45
  4. Step 4: Simplify right side
    5,512.66x = 35,897,284.45
  5. Step 5: Solve for x
    x = 35,897,284.45/5,512.66
  6. Step 6: Final answer
    x = 6,511.79

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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.