Home / 7,731.12-11,596.77-2,184.60

Finding the Fourth Proportional to 7,731.12, 11,596.77 and 2,184.60

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Solution

The fourth proportional to 7,731.12, 11,596.77 and 2,184.60 is: 3,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.12 : 11,596.77 = 2,184.60 : x
  2. Step 2: Convert to fraction form
    7,731.12/11,596.77 = 2,184.60/x
  3. Step 3: Cross multiply
    7,731.12x = 11,596.77 × 2,184.60
  4. Step 4: Simplify right side
    7,731.12x = 25,334,303.74
  5. Step 5: Solve for x
    x = 25,334,303.74/7,731.12
  6. Step 6: Final answer
    x = 3,276.93

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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.