Home / 4,282.02-6,420.15-2,199.42

Finding the Fourth Proportional to 4,282.02, 6,420.15 and 2,199.42

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Solution

The fourth proportional to 4,282.02, 6,420.15 and 2,199.42 is: 3,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.02 : 6,420.15 = 2,199.42 : x
  2. Step 2: Convert to fraction form
    4,282.02/6,420.15 = 2,199.42/x
  3. Step 3: Cross multiply
    4,282.02x = 6,420.15 × 2,199.42
  4. Step 4: Simplify right side
    4,282.02x = 14,120,606.31
  5. Step 5: Solve for x
    x = 14,120,606.31/4,282.02
  6. Step 6: Final answer
    x = 3,297.65

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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.