Home / 5,208.39-7,804.76-2,085.30

Finding the Fourth Proportional to 5,208.39, 7,804.76 and 2,085.30

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Solution

The fourth proportional to 5,208.39, 7,804.76 and 2,085.30 is: 3,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.39 : 7,804.76 = 2,085.30 : x
  2. Step 2: Convert to fraction form
    5,208.39/7,804.76 = 2,085.30/x
  3. Step 3: Cross multiply
    5,208.39x = 7,804.76 × 2,085.30
  4. Step 4: Simplify right side
    5,208.39x = 16,275,255.60
  5. Step 5: Solve for x
    x = 16,275,255.60/5,208.39
  6. Step 6: Final answer
    x = 3,124.82

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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.