Home / 5,622.20-8,432.51-3,090.08

Finding the Fourth Proportional to 5,622.20, 8,432.51 and 3,090.08

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Solution

The fourth proportional to 5,622.20, 8,432.51 and 3,090.08 is: 4,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.20 : 8,432.51 = 3,090.08 : x
  2. Step 2: Convert to fraction form
    5,622.20/8,432.51 = 3,090.08/x
  3. Step 3: Cross multiply
    5,622.20x = 8,432.51 × 3,090.08
  4. Step 4: Simplify right side
    5,622.20x = 26,057,136.13
  5. Step 5: Solve for x
    x = 26,057,136.13/5,622.20
  6. Step 6: Final answer
    x = 4,634.69

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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.