Home / 4,048.24-6,072.36-1,126.60

Finding the Fourth Proportional to 4,048.24, 6,072.36 and 1,126.60

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Solution

The fourth proportional to 4,048.24, 6,072.36 and 1,126.60 is: 1,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,048.24 : 6,072.36 = 1,126.60 : x
  2. Step 2: Convert to fraction form
    4,048.24/6,072.36 = 1,126.60/x
  3. Step 3: Cross multiply
    4,048.24x = 6,072.36 × 1,126.60
  4. Step 4: Simplify right side
    4,048.24x = 6,841,120.78
  5. Step 5: Solve for x
    x = 6,841,120.78/4,048.24
  6. Step 6: Final answer
    x = 1,689.90

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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.