Home / 5,159.14-7,738.62-1,263.58

Finding the Fourth Proportional to 5,159.14, 7,738.62 and 1,263.58

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Solution

The fourth proportional to 5,159.14, 7,738.62 and 1,263.58 is: 1,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.14 : 7,738.62 = 1,263.58 : x
  2. Step 2: Convert to fraction form
    5,159.14/7,738.62 = 1,263.58/x
  3. Step 3: Cross multiply
    5,159.14x = 7,738.62 × 1,263.58
  4. Step 4: Simplify right side
    5,159.14x = 9,778,341.37
  5. Step 5: Solve for x
    x = 9,778,341.37/5,159.14
  6. Step 6: Final answer
    x = 1,895.34

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1.5x scale

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.