Home / 7,804.08-11,705.85-1,960.74

Finding the Fourth Proportional to 7,804.08, 11,705.85 and 1,960.74

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Solution

The fourth proportional to 7,804.08, 11,705.85 and 1,960.74 is: 2,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,804.08 : 11,705.85 = 1,960.74 : x
  2. Step 2: Convert to fraction form
    7,804.08/11,705.85 = 1,960.74/x
  3. Step 3: Cross multiply
    7,804.08x = 11,705.85 × 1,960.74
  4. Step 4: Simplify right side
    7,804.08x = 22,952,128.33
  5. Step 5: Solve for x
    x = 22,952,128.33/7,804.08
  6. Step 6: Final answer
    x = 2,941.04

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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.