Home / 4,627.19-6,386.04-2,638.24

Finding the Fourth Proportional to 4,627.19, 6,386.04 and 2,638.24

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Solution

The fourth proportional to 4,627.19, 6,386.04 and 2,638.24 is: 3,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.19 : 6,386.04 = 2,638.24 : x
  2. Step 2: Convert to fraction form
    4,627.19/6,386.04 = 2,638.24/x
  3. Step 3: Cross multiply
    4,627.19x = 6,386.04 × 2,638.24
  4. Step 4: Simplify right side
    4,627.19x = 16,847,890.20
  5. Step 5: Solve for x
    x = 16,847,890.20/4,627.19
  6. Step 6: Final answer
    x = 3,641.06

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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.