Home / 6,418.90-9,628.26-2,036.40

Finding the Fourth Proportional to 6,418.90, 9,628.26 and 2,036.40

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Solution

The fourth proportional to 6,418.90, 9,628.26 and 2,036.40 is: 3,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.90 : 9,628.26 = 2,036.40 : x
  2. Step 2: Convert to fraction form
    6,418.90/9,628.26 = 2,036.40/x
  3. Step 3: Cross multiply
    6,418.90x = 9,628.26 × 2,036.40
  4. Step 4: Simplify right side
    6,418.90x = 19,606,988.66
  5. Step 5: Solve for x
    x = 19,606,988.66/6,418.90
  6. Step 6: Final answer
    x = 3,054.57

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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.