Home / 9,146.51-13,719.46-3,878.14

Finding the Fourth Proportional to 9,146.51, 13,719.46 and 3,878.14

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Solution

The fourth proportional to 9,146.51, 13,719.46 and 3,878.14 is: 5,817.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.51 : 13,719.46 = 3,878.14 : x
  2. Step 2: Convert to fraction form
    9,146.51/13,719.46 = 3,878.14/x
  3. Step 3: Cross multiply
    9,146.51x = 13,719.46 × 3,878.14
  4. Step 4: Simplify right side
    9,146.51x = 53,205,918.01
  5. Step 5: Solve for x
    x = 53,205,918.01/9,146.51
  6. Step 6: Final answer
    x = 5,817.07

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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.