Home / 4,629.02-6,387.89-2,640.22

Finding the Fourth Proportional to 4,629.02, 6,387.89 and 2,640.22

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Solution

The fourth proportional to 4,629.02, 6,387.89 and 2,640.22 is: 3,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.02 : 6,387.89 = 2,640.22 : x
  2. Step 2: Convert to fraction form
    4,629.02/6,387.89 = 2,640.22/x
  3. Step 3: Cross multiply
    4,629.02x = 6,387.89 × 2,640.22
  4. Step 4: Simplify right side
    4,629.02x = 16,865,434.94
  5. Step 5: Solve for x
    x = 16,865,434.94/4,629.02
  6. Step 6: Final answer
    x = 3,643.41

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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.