Home / 6,540.06-9,783.33-5,445.90

Finding the Fourth Proportional to 6,540.06, 9,783.33 and 5,445.90

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Solution

The fourth proportional to 6,540.06, 9,783.33 and 5,445.90 is: 8,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.06 : 9,783.33 = 5,445.90 : x
  2. Step 2: Convert to fraction form
    6,540.06/9,783.33 = 5,445.90/x
  3. Step 3: Cross multiply
    6,540.06x = 9,783.33 × 5,445.90
  4. Step 4: Simplify right side
    6,540.06x = 53,279,036.85
  5. Step 5: Solve for x
    x = 53,279,036.85/6,540.06
  6. Step 6: Final answer
    x = 8,146.57

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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.