Home / 7,159.36-10,738.88-2,774.28

Finding the Fourth Proportional to 7,159.36, 10,738.88 and 2,774.28

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Solution

The fourth proportional to 7,159.36, 10,738.88 and 2,774.28 is: 4,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.36 : 10,738.88 = 2,774.28 : x
  2. Step 2: Convert to fraction form
    7,159.36/10,738.88 = 2,774.28/x
  3. Step 3: Cross multiply
    7,159.36x = 10,738.88 × 2,774.28
  4. Step 4: Simplify right side
    7,159.36x = 29,792,660.01
  5. Step 5: Solve for x
    x = 29,792,660.01/7,159.36
  6. Step 6: Final answer
    x = 4,161.36

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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.