Home / 7,865.12-11,804.98-3,972.26

Finding the Fourth Proportional to 7,865.12, 11,804.98 and 3,972.26

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Solution

The fourth proportional to 7,865.12, 11,804.98 and 3,972.26 is: 5,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.12 : 11,804.98 = 3,972.26 : x
  2. Step 2: Convert to fraction form
    7,865.12/11,804.98 = 3,972.26/x
  3. Step 3: Cross multiply
    7,865.12x = 11,804.98 × 3,972.26
  4. Step 4: Simplify right side
    7,865.12x = 46,892,449.85
  5. Step 5: Solve for x
    x = 46,892,449.85/7,865.12
  6. Step 6: Final answer
    x = 5,962.08

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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.