Home / 4,628.10-6,387.21-2,638.26

Finding the Fourth Proportional to 4,628.10, 6,387.21 and 2,638.26

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Solution

The fourth proportional to 4,628.10, 6,387.21 and 2,638.26 is: 3,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.10 : 6,387.21 = 2,638.26 : x
  2. Step 2: Convert to fraction form
    4,628.10/6,387.21 = 2,638.26/x
  3. Step 3: Cross multiply
    4,628.10x = 6,387.21 × 2,638.26
  4. Step 4: Simplify right side
    4,628.10x = 16,851,120.65
  5. Step 5: Solve for x
    x = 16,851,120.65/4,628.10
  6. Step 6: Final answer
    x = 3,641.05

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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.