Home / 4,627.02-6,385.77-2,739.21

Finding the Fourth Proportional to 4,627.02, 6,385.77 and 2,739.21

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Solution

The fourth proportional to 4,627.02, 6,385.77 and 2,739.21 is: 3,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.02 : 6,385.77 = 2,739.21 : x
  2. Step 2: Convert to fraction form
    4,627.02/6,385.77 = 2,739.21/x
  3. Step 3: Cross multiply
    4,627.02x = 6,385.77 × 2,739.21
  4. Step 4: Simplify right side
    4,627.02x = 17,491,965.04
  5. Step 5: Solve for x
    x = 17,491,965.04/4,627.02
  6. Step 6: Final answer
    x = 3,780.40

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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.