Home / 9,334.06-12,880.89-5,142.31

Finding the Fourth Proportional to 9,334.06, 12,880.89 and 5,142.31

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Solution

The fourth proportional to 9,334.06, 12,880.89 and 5,142.31 is: 7,096.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.06 : 12,880.89 = 5,142.31 : x
  2. Step 2: Convert to fraction form
    9,334.06/12,880.89 = 5,142.31/x
  3. Step 3: Cross multiply
    9,334.06x = 12,880.89 × 5,142.31
  4. Step 4: Simplify right side
    9,334.06x = 66,237,497.25
  5. Step 5: Solve for x
    x = 66,237,497.25/9,334.06
  6. Step 6: Final answer
    x = 7,096.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.