Home / 5,112.30-7,670.06-1,825.32

Finding the Fourth Proportional to 5,112.30, 7,670.06 and 1,825.32

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Solution

The fourth proportional to 5,112.30, 7,670.06 and 1,825.32 is: 2,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.30 : 7,670.06 = 1,825.32 : x
  2. Step 2: Convert to fraction form
    5,112.30/7,670.06 = 1,825.32/x
  3. Step 3: Cross multiply
    5,112.30x = 7,670.06 × 1,825.32
  4. Step 4: Simplify right side
    5,112.30x = 14,000,275.57
  5. Step 5: Solve for x
    x = 14,000,275.57/5,112.30
  6. Step 6: Final answer
    x = 2,738.55

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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.