Home / 4,268.72-6,403.02-1,148.63

Finding the Fourth Proportional to 4,268.72, 6,403.02 and 1,148.63

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Solution

The fourth proportional to 4,268.72, 6,403.02 and 1,148.63 is: 1,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.72 : 6,403.02 = 1,148.63 : x
  2. Step 2: Convert to fraction form
    4,268.72/6,403.02 = 1,148.63/x
  3. Step 3: Cross multiply
    4,268.72x = 6,403.02 × 1,148.63
  4. Step 4: Simplify right side
    4,268.72x = 7,354,700.86
  5. Step 5: Solve for x
    x = 7,354,700.86/4,268.72
  6. Step 6: Final answer
    x = 1,722.93

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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.