Home / 9,293.06-13,940.86-2,719.20

Finding the Fourth Proportional to 9,293.06, 13,940.86 and 2,719.20

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Solution

The fourth proportional to 9,293.06, 13,940.86 and 2,719.20 is: 4,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.06 : 13,940.86 = 2,719.20 : x
  2. Step 2: Convert to fraction form
    9,293.06/13,940.86 = 2,719.20/x
  3. Step 3: Cross multiply
    9,293.06x = 13,940.86 × 2,719.20
  4. Step 4: Simplify right side
    9,293.06x = 37,907,986.51
  5. Step 5: Solve for x
    x = 37,907,986.51/9,293.06
  6. Step 6: Final answer
    x = 4,079.17

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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.