Home / 5,473.20-8,209.80-3,504.90

Finding the Fourth Proportional to 5,473.20, 8,209.80 and 3,504.90

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Solution

The fourth proportional to 5,473.20, 8,209.80 and 3,504.90 is: 5,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.20 : 8,209.80 = 3,504.90 : x
  2. Step 2: Convert to fraction form
    5,473.20/8,209.80 = 3,504.90/x
  3. Step 3: Cross multiply
    5,473.20x = 8,209.80 × 3,504.90
  4. Step 4: Simplify right side
    5,473.20x = 28,774,528.02
  5. Step 5: Solve for x
    x = 28,774,528.02/5,473.20
  6. Step 6: Final answer
    x = 5,257.35

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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.