Home / 4,515.19-6,774.14-1,918.33

Finding the Fourth Proportional to 4,515.19, 6,774.14 and 1,918.33

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Solution

The fourth proportional to 4,515.19, 6,774.14 and 1,918.33 is: 2,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.19 : 6,774.14 = 1,918.33 : x
  2. Step 2: Convert to fraction form
    4,515.19/6,774.14 = 1,918.33/x
  3. Step 3: Cross multiply
    4,515.19x = 6,774.14 × 1,918.33
  4. Step 4: Simplify right side
    4,515.19x = 12,995,026.39
  5. Step 5: Solve for x
    x = 12,995,026.39/4,515.19
  6. Step 6: Final answer
    x = 2,878.07

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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.