Home / 9,091.17-12,546.36-5,112.45

Finding the Fourth Proportional to 9,091.17, 12,546.36 and 5,112.45

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Solution

The fourth proportional to 9,091.17, 12,546.36 and 5,112.45 is: 7,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.17 : 12,546.36 = 5,112.45 : x
  2. Step 2: Convert to fraction form
    9,091.17/12,546.36 = 5,112.45/x
  3. Step 3: Cross multiply
    9,091.17x = 12,546.36 × 5,112.45
  4. Step 4: Simplify right side
    9,091.17x = 64,142,638.18
  5. Step 5: Solve for x
    x = 64,142,638.18/9,091.17
  6. Step 6: Final answer
    x = 7,055.49

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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.