Home / 4,541.85-6,812.80-1,379.32

Finding the Fourth Proportional to 4,541.85, 6,812.80 and 1,379.32

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Solution

The fourth proportional to 4,541.85, 6,812.80 and 1,379.32 is: 2,068.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.85 : 6,812.80 = 1,379.32 : x
  2. Step 2: Convert to fraction form
    4,541.85/6,812.80 = 1,379.32/x
  3. Step 3: Cross multiply
    4,541.85x = 6,812.80 × 1,379.32
  4. Step 4: Simplify right side
    4,541.85x = 9,397,010.82
  5. Step 5: Solve for x
    x = 9,397,010.82/4,541.85
  6. Step 6: Final answer
    x = 2,068.98

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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.