Home / 4,627.63-6,386.34-2,638.37

Finding the Fourth Proportional to 4,627.63, 6,386.34 and 2,638.37

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Solution

The fourth proportional to 4,627.63, 6,386.34 and 2,638.37 is: 3,641.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.63 : 6,386.34 = 2,638.37 : x
  2. Step 2: Convert to fraction form
    4,627.63/6,386.34 = 2,638.37/x
  3. Step 3: Cross multiply
    4,627.63x = 6,386.34 × 2,638.37
  4. Step 4: Simplify right side
    4,627.63x = 16,849,553.73
  5. Step 5: Solve for x
    x = 16,849,553.73/4,627.63
  6. Step 6: Final answer
    x = 3,641.08

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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.