Home / 7,674.79-11,511.04-2,127.56

Finding the Fourth Proportional to 7,674.79, 11,511.04 and 2,127.56

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Solution

The fourth proportional to 7,674.79, 11,511.04 and 2,127.56 is: 3,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.79 : 11,511.04 = 2,127.56 : x
  2. Step 2: Convert to fraction form
    7,674.79/11,511.04 = 2,127.56/x
  3. Step 3: Cross multiply
    7,674.79x = 11,511.04 × 2,127.56
  4. Step 4: Simplify right side
    7,674.79x = 24,490,370.71
  5. Step 5: Solve for x
    x = 24,490,370.71/7,674.79
  6. Step 6: Final answer
    x = 3,191.02

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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.