Home / 4,000.42-5,999.28-1,403.02

Finding the Fourth Proportional to 4,000.42, 5,999.28 and 1,403.02

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Solution

The fourth proportional to 4,000.42, 5,999.28 and 1,403.02 is: 2,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.42 : 5,999.28 = 1,403.02 : x
  2. Step 2: Convert to fraction form
    4,000.42/5,999.28 = 1,403.02/x
  3. Step 3: Cross multiply
    4,000.42x = 5,999.28 × 1,403.02
  4. Step 4: Simplify right side
    4,000.42x = 8,417,109.83
  5. Step 5: Solve for x
    x = 8,417,109.83/4,000.42
  6. Step 6: Final answer
    x = 2,104.06

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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.