Home / 5,539.20-8,316.60-4,440.12

Finding the Fourth Proportional to 5,539.20, 8,316.60 and 4,440.12

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Solution

The fourth proportional to 5,539.20, 8,316.60 and 4,440.12 is: 6,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.20 : 8,316.60 = 4,440.12 : x
  2. Step 2: Convert to fraction form
    5,539.20/8,316.60 = 4,440.12/x
  3. Step 3: Cross multiply
    5,539.20x = 8,316.60 × 4,440.12
  4. Step 4: Simplify right side
    5,539.20x = 36,926,701.99
  5. Step 5: Solve for x
    x = 36,926,701.99/5,539.20
  6. Step 6: Final answer
    x = 6,666.43

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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.