Home / 4,083.47-6,123.31-1,309.52

Finding the Fourth Proportional to 4,083.47, 6,123.31 and 1,309.52

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Solution

The fourth proportional to 4,083.47, 6,123.31 and 1,309.52 is: 1,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.47 : 6,123.31 = 1,309.52 : x
  2. Step 2: Convert to fraction form
    4,083.47/6,123.31 = 1,309.52/x
  3. Step 3: Cross multiply
    4,083.47x = 6,123.31 × 1,309.52
  4. Step 4: Simplify right side
    4,083.47x = 8,018,596.91
  5. Step 5: Solve for x
    x = 8,018,596.91/4,083.47
  6. Step 6: Final answer
    x = 1,963.67

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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.