Home / 6,809.16-9,395.70-3,977.48

Finding the Fourth Proportional to 6,809.16, 9,395.70 and 3,977.48

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Solution

The fourth proportional to 6,809.16, 9,395.70 and 3,977.48 is: 5,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.16 : 9,395.70 = 3,977.48 : x
  2. Step 2: Convert to fraction form
    6,809.16/9,395.70 = 3,977.48/x
  3. Step 3: Cross multiply
    6,809.16x = 9,395.70 × 3,977.48
  4. Step 4: Simplify right side
    6,809.16x = 37,371,208.84
  5. Step 5: Solve for x
    x = 37,371,208.84/6,809.16
  6. Step 6: Final answer
    x = 5,488.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.