Home / 4,431.78-6,647.37-1,512.14

Finding the Fourth Proportional to 4,431.78, 6,647.37 and 1,512.14

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Solution

The fourth proportional to 4,431.78, 6,647.37 and 1,512.14 is: 2,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.78 : 6,647.37 = 1,512.14 : x
  2. Step 2: Convert to fraction form
    4,431.78/6,647.37 = 1,512.14/x
  3. Step 3: Cross multiply
    4,431.78x = 6,647.37 × 1,512.14
  4. Step 4: Simplify right side
    4,431.78x = 10,051,715.16
  5. Step 5: Solve for x
    x = 10,051,715.16/4,431.78
  6. Step 6: Final answer
    x = 2,268.10

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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.