Home / 6,290.64-9,435.48-1,908.12

Finding the Fourth Proportional to 6,290.64, 9,435.48 and 1,908.12

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Solution

The fourth proportional to 6,290.64, 9,435.48 and 1,908.12 is: 2,862.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.64 : 9,435.48 = 1,908.12 : x
  2. Step 2: Convert to fraction form
    6,290.64/9,435.48 = 1,908.12/x
  3. Step 3: Cross multiply
    6,290.64x = 9,435.48 × 1,908.12
  4. Step 4: Simplify right side
    6,290.64x = 18,004,028.10
  5. Step 5: Solve for x
    x = 18,004,028.10/6,290.64
  6. Step 6: Final answer
    x = 2,862.03

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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.