Home / 4,918.77-7,376.58-1,631.16

Finding the Fourth Proportional to 4,918.77, 7,376.58 and 1,631.16

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Solution

The fourth proportional to 4,918.77, 7,376.58 and 1,631.16 is: 2,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.77 : 7,376.58 = 1,631.16 : x
  2. Step 2: Convert to fraction form
    4,918.77/7,376.58 = 1,631.16/x
  3. Step 3: Cross multiply
    4,918.77x = 7,376.58 × 1,631.16
  4. Step 4: Simplify right side
    4,918.77x = 12,032,382.23
  5. Step 5: Solve for x
    x = 12,032,382.23/4,918.77
  6. Step 6: Final answer
    x = 2,446.22

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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.