Home / 6,804.90-10,212.81-3,518.95

Finding the Fourth Proportional to 6,804.90, 10,212.81 and 3,518.95

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Solution

The fourth proportional to 6,804.90, 10,212.81 and 3,518.95 is: 5,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.90 : 10,212.81 = 3,518.95 : x
  2. Step 2: Convert to fraction form
    6,804.90/10,212.81 = 3,518.95/x
  3. Step 3: Cross multiply
    6,804.90x = 10,212.81 × 3,518.95
  4. Step 4: Simplify right side
    6,804.90x = 35,938,367.75
  5. Step 5: Solve for x
    x = 35,938,367.75/6,804.90
  6. Step 6: Final answer
    x = 5,281.25

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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.