Home / 6,818.51-10,228.93-2,137.62

Finding the Fourth Proportional to 6,818.51, 10,228.93 and 2,137.62

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Solution

The fourth proportional to 6,818.51, 10,228.93 and 2,137.62 is: 3,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.51 : 10,228.93 = 2,137.62 : x
  2. Step 2: Convert to fraction form
    6,818.51/10,228.93 = 2,137.62/x
  3. Step 3: Cross multiply
    6,818.51x = 10,228.93 × 2,137.62
  4. Step 4: Simplify right side
    6,818.51x = 21,865,565.35
  5. Step 5: Solve for x
    x = 21,865,565.35/6,818.51
  6. Step 6: Final answer
    x = 3,206.80

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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.