Home / 5,159.06-7,738.75-1,263.47

Finding the Fourth Proportional to 5,159.06, 7,738.75 and 1,263.47

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Solution

The fourth proportional to 5,159.06, 7,738.75 and 1,263.47 is: 1,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.06 : 7,738.75 = 1,263.47 : x
  2. Step 2: Convert to fraction form
    5,159.06/7,738.75 = 1,263.47/x
  3. Step 3: Cross multiply
    5,159.06x = 7,738.75 × 1,263.47
  4. Step 4: Simplify right side
    5,159.06x = 9,777,678.46
  5. Step 5: Solve for x
    x = 9,777,678.46/5,159.06
  6. Step 6: Final answer
    x = 1,895.24

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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.