Home / 5,495.20-8,242.60-2,207.40

Finding the Fourth Proportional to 5,495.20, 8,242.60 and 2,207.40

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Solution

The fourth proportional to 5,495.20, 8,242.60 and 2,207.40 is: 3,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.20 : 8,242.60 = 2,207.40 : x
  2. Step 2: Convert to fraction form
    5,495.20/8,242.60 = 2,207.40/x
  3. Step 3: Cross multiply
    5,495.20x = 8,242.60 × 2,207.40
  4. Step 4: Simplify right side
    5,495.20x = 18,194,715.24
  5. Step 5: Solve for x
    x = 18,194,715.24/5,495.20
  6. Step 6: Final answer
    x = 3,311.02

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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.