Home / 4,191.02-6,287.90-1,999.46

Finding the Fourth Proportional to 4,191.02, 6,287.90 and 1,999.46

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Solution

The fourth proportional to 4,191.02, 6,287.90 and 1,999.46 is: 2,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.02 : 6,287.90 = 1,999.46 : x
  2. Step 2: Convert to fraction form
    4,191.02/6,287.90 = 1,999.46/x
  3. Step 3: Cross multiply
    4,191.02x = 6,287.90 × 1,999.46
  4. Step 4: Simplify right side
    4,191.02x = 12,572,404.53
  5. Step 5: Solve for x
    x = 12,572,404.53/4,191.02
  6. Step 6: Final answer
    x = 2,999.84

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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.