Home / 5,526.20-8,289.30-4,489.40

Finding the Fourth Proportional to 5,526.20, 8,289.30 and 4,489.40

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Solution

The fourth proportional to 5,526.20, 8,289.30 and 4,489.40 is: 6,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.20 : 8,289.30 = 4,489.40 : x
  2. Step 2: Convert to fraction form
    5,526.20/8,289.30 = 4,489.40/x
  3. Step 3: Cross multiply
    5,526.20x = 8,289.30 × 4,489.40
  4. Step 4: Simplify right side
    5,526.20x = 37,213,983.42
  5. Step 5: Solve for x
    x = 37,213,983.42/5,526.20
  6. Step 6: Final answer
    x = 6,734.10

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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.