Home / 4,642.08-6,961.25-1,720.62

Finding the Fourth Proportional to 4,642.08, 6,961.25 and 1,720.62

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Solution

The fourth proportional to 4,642.08, 6,961.25 and 1,720.62 is: 2,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.08 : 6,961.25 = 1,720.62 : x
  2. Step 2: Convert to fraction form
    4,642.08/6,961.25 = 1,720.62/x
  3. Step 3: Cross multiply
    4,642.08x = 6,961.25 × 1,720.62
  4. Step 4: Simplify right side
    4,642.08x = 11,977,657.37
  5. Step 5: Solve for x
    x = 11,977,657.37/4,642.08
  6. Step 6: Final answer
    x = 2,580.24

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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.