Home / 6,191.76-8,544.96-3,539.28

Finding the Fourth Proportional to 6,191.76, 8,544.96 and 3,539.28

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Solution

The fourth proportional to 6,191.76, 8,544.96 and 3,539.28 is: 4,884.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.76 : 8,544.96 = 3,539.28 : x
  2. Step 2: Convert to fraction form
    6,191.76/8,544.96 = 3,539.28/x
  3. Step 3: Cross multiply
    6,191.76x = 8,544.96 × 3,539.28
  4. Step 4: Simplify right side
    6,191.76x = 30,243,006.03
  5. Step 5: Solve for x
    x = 30,243,006.03/6,191.76
  6. Step 6: Final answer
    x = 4,884.40

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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.