Home / 6,919.33-10,380.09-2,539.93

Finding the Fourth Proportional to 6,919.33, 10,380.09 and 2,539.93

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Solution

The fourth proportional to 6,919.33, 10,380.09 and 2,539.93 is: 3,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.33 : 10,380.09 = 2,539.93 : x
  2. Step 2: Convert to fraction form
    6,919.33/10,380.09 = 2,539.93/x
  3. Step 3: Cross multiply
    6,919.33x = 10,380.09 × 2,539.93
  4. Step 4: Simplify right side
    6,919.33x = 26,364,701.99
  5. Step 5: Solve for x
    x = 26,364,701.99/6,919.33
  6. Step 6: Final answer
    x = 3,810.30

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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.