Home / 6,191.98-8,538.48-4,775.90

Finding the Fourth Proportional to 6,191.98, 8,538.48 and 4,775.90

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Solution

The fourth proportional to 6,191.98, 8,538.48 and 4,775.90 is: 6,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.98 : 8,538.48 = 4,775.90 : x
  2. Step 2: Convert to fraction form
    6,191.98/8,538.48 = 4,775.90/x
  3. Step 3: Cross multiply
    6,191.98x = 8,538.48 × 4,775.90
  4. Step 4: Simplify right side
    6,191.98x = 40,778,883.94
  5. Step 5: Solve for x
    x = 40,778,883.94/6,191.98
  6. Step 6: Final answer
    x = 6,585.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.