Home / 4,128.90-6,192.54-2,046.72

Finding the Fourth Proportional to 4,128.90, 6,192.54 and 2,046.72

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Solution

The fourth proportional to 4,128.90, 6,192.54 and 2,046.72 is: 3,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.90 : 6,192.54 = 2,046.72 : x
  2. Step 2: Convert to fraction form
    4,128.90/6,192.54 = 2,046.72/x
  3. Step 3: Cross multiply
    4,128.90x = 6,192.54 × 2,046.72
  4. Step 4: Simplify right side
    4,128.90x = 12,674,395.47
  5. Step 5: Solve for x
    x = 12,674,395.47/4,128.90
  6. Step 6: Final answer
    x = 3,069.68

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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.