Home / 6,690.65-10,036.55-1,760.31

Finding the Fourth Proportional to 6,690.65, 10,036.55 and 1,760.31

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Solution

The fourth proportional to 6,690.65, 10,036.55 and 1,760.31 is: 2,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690.65 : 10,036.55 = 1,760.31 : x
  2. Step 2: Convert to fraction form
    6,690.65/10,036.55 = 1,760.31/x
  3. Step 3: Cross multiply
    6,690.65x = 10,036.55 × 1,760.31
  4. Step 4: Simplify right side
    6,690.65x = 17,667,455.62
  5. Step 5: Solve for x
    x = 17,667,455.62/6,690.65
  6. Step 6: Final answer
    x = 2,640.62

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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.