Home / 9,175.18-12,661.78-4,983.34

Finding the Fourth Proportional to 9,175.18, 12,661.78 and 4,983.34

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Solution

The fourth proportional to 9,175.18, 12,661.78 and 4,983.34 is: 6,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.18 : 12,661.78 = 4,983.34 : x
  2. Step 2: Convert to fraction form
    9,175.18/12,661.78 = 4,983.34/x
  3. Step 3: Cross multiply
    9,175.18x = 12,661.78 × 4,983.34
  4. Step 4: Simplify right side
    9,175.18x = 63,097,954.75
  5. Step 5: Solve for x
    x = 63,097,954.75/9,175.18
  6. Step 6: Final answer
    x = 6,877.03

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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.