Home / 4,048.31-6,072.47-1,126.61

Finding the Fourth Proportional to 4,048.31, 6,072.47 and 1,126.61

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Solution

The fourth proportional to 4,048.31, 6,072.47 and 1,126.61 is: 1,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.31 : 6,072.47 = 1,126.61 : x
  2. Step 2: Convert to fraction form
    4,048.31/6,072.47 = 1,126.61/x
  3. Step 3: Cross multiply
    4,048.31x = 6,072.47 × 1,126.61
  4. Step 4: Simplify right side
    4,048.31x = 6,841,299.79
  5. Step 5: Solve for x
    x = 6,841,299.79/4,048.31
  6. Step 6: Final answer
    x = 1,689.92

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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.