Home / 7,674.25-11,511.60-2,127.64

Finding the Fourth Proportional to 7,674.25, 11,511.60 and 2,127.64

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Solution

The fourth proportional to 7,674.25, 11,511.60 and 2,127.64 is: 3,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.25 : 11,511.60 = 2,127.64 : x
  2. Step 2: Convert to fraction form
    7,674.25/11,511.60 = 2,127.64/x
  3. Step 3: Cross multiply
    7,674.25x = 11,511.60 × 2,127.64
  4. Step 4: Simplify right side
    7,674.25x = 24,492,483.07
  5. Step 5: Solve for x
    x = 24,492,483.07/7,674.25
  6. Step 6: Final answer
    x = 3,191.52

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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.