Home / 4,051.16-6,077.24-1,129.47

Finding the Fourth Proportional to 4,051.16, 6,077.24 and 1,129.47

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Solution

The fourth proportional to 4,051.16, 6,077.24 and 1,129.47 is: 1,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.16 : 6,077.24 = 1,129.47 : x
  2. Step 2: Convert to fraction form
    4,051.16/6,077.24 = 1,129.47/x
  3. Step 3: Cross multiply
    4,051.16x = 6,077.24 × 1,129.47
  4. Step 4: Simplify right side
    4,051.16x = 6,864,054.62
  5. Step 5: Solve for x
    x = 6,864,054.62/4,051.16
  6. Step 6: Final answer
    x = 1,694.35

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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.