Home / 6,853.21-10,275.49-5,813.58

Finding the Fourth Proportional to 6,853.21, 10,275.49 and 5,813.58

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Solution

The fourth proportional to 6,853.21, 10,275.49 and 5,813.58 is: 8,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.21 : 10,275.49 = 5,813.58 : x
  2. Step 2: Convert to fraction form
    6,853.21/10,275.49 = 5,813.58/x
  3. Step 3: Cross multiply
    6,853.21x = 10,275.49 × 5,813.58
  4. Step 4: Simplify right side
    6,853.21x = 59,737,383.15
  5. Step 5: Solve for x
    x = 59,737,383.15/6,853.21
  6. Step 6: Final answer
    x = 8,716.70

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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.