Home / 4,135.02-5,704.47-2,809.86

Finding the Fourth Proportional to 4,135.02, 5,704.47 and 2,809.86

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Solution

The fourth proportional to 4,135.02, 5,704.47 and 2,809.86 is: 3,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.02 : 5,704.47 = 2,809.86 : x
  2. Step 2: Convert to fraction form
    4,135.02/5,704.47 = 2,809.86/x
  3. Step 3: Cross multiply
    4,135.02x = 5,704.47 × 2,809.86
  4. Step 4: Simplify right side
    4,135.02x = 16,028,762.07
  5. Step 5: Solve for x
    x = 16,028,762.07/4,135.02
  6. Step 6: Final answer
    x = 3,876.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.