Home / 4,130.76-6,189.99-1,664.22

Finding the Fourth Proportional to 4,130.76, 6,189.99 and 1,664.22

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Solution

The fourth proportional to 4,130.76, 6,189.99 and 1,664.22 is: 2,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.76 : 6,189.99 = 1,664.22 : x
  2. Step 2: Convert to fraction form
    4,130.76/6,189.99 = 1,664.22/x
  3. Step 3: Cross multiply
    4,130.76x = 6,189.99 × 1,664.22
  4. Step 4: Simplify right side
    4,130.76x = 10,301,505.16
  5. Step 5: Solve for x
    x = 10,301,505.16/4,130.76
  6. Step 6: Final answer
    x = 2,493.85

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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.