Home / 6,635.86-9,953.79-2,018.90

Finding the Fourth Proportional to 6,635.86, 9,953.79 and 2,018.90

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Solution

The fourth proportional to 6,635.86, 9,953.79 and 2,018.90 is: 3,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.86 : 9,953.79 = 2,018.90 : x
  2. Step 2: Convert to fraction form
    6,635.86/9,953.79 = 2,018.90/x
  3. Step 3: Cross multiply
    6,635.86x = 9,953.79 × 2,018.90
  4. Step 4: Simplify right side
    6,635.86x = 20,095,706.63
  5. Step 5: Solve for x
    x = 20,095,706.63/6,635.86
  6. Step 6: Final answer
    x = 3,028.35

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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.