Home / 4,206.39-6,309.80-1,609.13

Finding the Fourth Proportional to 4,206.39, 6,309.80 and 1,609.13

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Solution

The fourth proportional to 4,206.39, 6,309.80 and 1,609.13 is: 2,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.39 : 6,309.80 = 1,609.13 : x
  2. Step 2: Convert to fraction form
    4,206.39/6,309.80 = 1,609.13/x
  3. Step 3: Cross multiply
    4,206.39x = 6,309.80 × 1,609.13
  4. Step 4: Simplify right side
    4,206.39x = 10,153,248.88
  5. Step 5: Solve for x
    x = 10,153,248.88/4,206.39
  6. Step 6: Final answer
    x = 2,413.77

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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.