Home / 4,128.74-6,192.42-1,495.76

Finding the Fourth Proportional to 4,128.74, 6,192.42 and 1,495.76

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Solution

The fourth proportional to 4,128.74, 6,192.42 and 1,495.76 is: 2,243.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.74 : 6,192.42 = 1,495.76 : x
  2. Step 2: Convert to fraction form
    4,128.74/6,192.42 = 1,495.76/x
  3. Step 3: Cross multiply
    4,128.74x = 6,192.42 × 1,495.76
  4. Step 4: Simplify right side
    4,128.74x = 9,262,374.14
  5. Step 5: Solve for x
    x = 9,262,374.14/4,128.74
  6. Step 6: Final answer
    x = 2,243.39

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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.