Home / 4,641.85-6,963.18-1,720.18

Finding the Fourth Proportional to 4,641.85, 6,963.18 and 1,720.18

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Solution

The fourth proportional to 4,641.85, 6,963.18 and 1,720.18 is: 2,580.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,641.85 : 6,963.18 = 1,720.18 : x
  2. Step 2: Convert to fraction form
    4,641.85/6,963.18 = 1,720.18/x
  3. Step 3: Cross multiply
    4,641.85x = 6,963.18 × 1,720.18
  4. Step 4: Simplify right side
    4,641.85x = 11,977,922.97
  5. Step 5: Solve for x
    x = 11,977,922.97/4,641.85
  6. Step 6: Final answer
    x = 2,580.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.