Home / 5,621.40-8,432.34-2,849.40

Finding the Fourth Proportional to 5,621.40, 8,432.34 and 2,849.40

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Solution

The fourth proportional to 5,621.40, 8,432.34 and 2,849.40 is: 4,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.40 : 8,432.34 = 2,849.40 : x
  2. Step 2: Convert to fraction form
    5,621.40/8,432.34 = 2,849.40/x
  3. Step 3: Cross multiply
    5,621.40x = 8,432.34 × 2,849.40
  4. Step 4: Simplify right side
    5,621.40x = 24,027,109.60
  5. Step 5: Solve for x
    x = 24,027,109.60/5,621.40
  6. Step 6: Final answer
    x = 4,274.22

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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.