Home / 4,129.62-6,178.91-2,457.59

Finding the Fourth Proportional to 4,129.62, 6,178.91 and 2,457.59

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Solution

The fourth proportional to 4,129.62, 6,178.91 and 2,457.59 is: 3,677.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.62 : 6,178.91 = 2,457.59 : x
  2. Step 2: Convert to fraction form
    4,129.62/6,178.91 = 2,457.59/x
  3. Step 3: Cross multiply
    4,129.62x = 6,178.91 × 2,457.59
  4. Step 4: Simplify right side
    4,129.62x = 15,185,184.24
  5. Step 5: Solve for x
    x = 15,185,184.24/4,129.62
  6. Step 6: Final answer
    x = 3,677.14

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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.