Home / 4,642.27-6,962.79-1,720.18

Finding the Fourth Proportional to 4,642.27, 6,962.79 and 1,720.18

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Solution

The fourth proportional to 4,642.27, 6,962.79 and 1,720.18 is: 2,580.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.27 : 6,962.79 = 1,720.18 : x
  2. Step 2: Convert to fraction form
    4,642.27/6,962.79 = 1,720.18/x
  3. Step 3: Cross multiply
    4,642.27x = 6,962.79 × 1,720.18
  4. Step 4: Simplify right side
    4,642.27x = 11,977,252.10
  5. Step 5: Solve for x
    x = 11,977,252.10/4,642.27
  6. Step 6: Final answer
    x = 2,580.04

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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.