Home / 4,629.47-6,387.08-2,638.58

Finding the Fourth Proportional to 4,629.47, 6,387.08 and 2,638.58

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Solution

The fourth proportional to 4,629.47, 6,387.08 and 2,638.58 is: 3,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.47 : 6,387.08 = 2,638.58 : x
  2. Step 2: Convert to fraction form
    4,629.47/6,387.08 = 2,638.58/x
  3. Step 3: Cross multiply
    4,629.47x = 6,387.08 × 2,638.58
  4. Step 4: Simplify right side
    4,629.47x = 16,852,824.32
  5. Step 5: Solve for x
    x = 16,852,824.32/4,629.47
  6. Step 6: Final answer
    x = 3,640.34

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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.