Home / 6,859.13-10,288.47-2,907.85

Finding the Fourth Proportional to 6,859.13, 10,288.47 and 2,907.85

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Solution

The fourth proportional to 6,859.13, 10,288.47 and 2,907.85 is: 4,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.13 : 10,288.47 = 2,907.85 : x
  2. Step 2: Convert to fraction form
    6,859.13/10,288.47 = 2,907.85/x
  3. Step 3: Cross multiply
    6,859.13x = 10,288.47 × 2,907.85
  4. Step 4: Simplify right side
    6,859.13x = 29,917,324.81
  5. Step 5: Solve for x
    x = 29,917,324.81/6,859.13
  6. Step 6: Final answer
    x = 4,361.68

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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.