Home / 5,648.35-8,470.90-2,184.79

Finding the Fourth Proportional to 5,648.35, 8,470.90 and 2,184.79

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Solution

The fourth proportional to 5,648.35, 8,470.90 and 2,184.79 is: 3,276.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.35 : 8,470.90 = 2,184.79 : x
  2. Step 2: Convert to fraction form
    5,648.35/8,470.90 = 2,184.79/x
  3. Step 3: Cross multiply
    5,648.35x = 8,470.90 × 2,184.79
  4. Step 4: Simplify right side
    5,648.35x = 18,507,137.61
  5. Step 5: Solve for x
    x = 18,507,137.61/5,648.35
  6. Step 6: Final answer
    x = 3,276.56

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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.