Home / 8,202.20-12,303.30-5,610.20

Finding the Fourth Proportional to 8,202.20, 12,303.30 and 5,610.20

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Solution

The fourth proportional to 8,202.20, 12,303.30 and 5,610.20 is: 8,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.20 : 12,303.30 = 5,610.20 : x
  2. Step 2: Convert to fraction form
    8,202.20/12,303.30 = 5,610.20/x
  3. Step 3: Cross multiply
    8,202.20x = 12,303.30 × 5,610.20
  4. Step 4: Simplify right side
    8,202.20x = 69,023,973.66
  5. Step 5: Solve for x
    x = 69,023,973.66/8,202.20
  6. Step 6: Final answer
    x = 8,415.30

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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.