Home / 5,604.20-8,406.30-3,417.20

Finding the Fourth Proportional to 5,604.20, 8,406.30 and 3,417.20

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Solution

The fourth proportional to 5,604.20, 8,406.30 and 3,417.20 is: 5,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.20 : 8,406.30 = 3,417.20 : x
  2. Step 2: Convert to fraction form
    5,604.20/8,406.30 = 3,417.20/x
  3. Step 3: Cross multiply
    5,604.20x = 8,406.30 × 3,417.20
  4. Step 4: Simplify right side
    5,604.20x = 28,726,008.36
  5. Step 5: Solve for x
    x = 28,726,008.36/5,604.20
  6. Step 6: Final answer
    x = 5,125.80

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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.