Home / 5,635.58-8,455.19-1,940.36

Finding the Fourth Proportional to 5,635.58, 8,455.19 and 1,940.36

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Solution

The fourth proportional to 5,635.58, 8,455.19 and 1,940.36 is: 2,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.58 : 8,455.19 = 1,940.36 : x
  2. Step 2: Convert to fraction form
    5,635.58/8,455.19 = 1,940.36/x
  3. Step 3: Cross multiply
    5,635.58x = 8,455.19 × 1,940.36
  4. Step 4: Simplify right side
    5,635.58x = 16,406,060.49
  5. Step 5: Solve for x
    x = 16,406,060.49/5,635.58
  6. Step 6: Final answer
    x = 2,911.16

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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.