Home / 7,920.84-11,882.48-2,725.50

Finding the Fourth Proportional to 7,920.84, 11,882.48 and 2,725.50

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Solution

The fourth proportional to 7,920.84, 11,882.48 and 2,725.50 is: 4,088.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.84 : 11,882.48 = 2,725.50 : x
  2. Step 2: Convert to fraction form
    7,920.84/11,882.48 = 2,725.50/x
  3. Step 3: Cross multiply
    7,920.84x = 11,882.48 × 2,725.50
  4. Step 4: Simplify right side
    7,920.84x = 32,385,699.24
  5. Step 5: Solve for x
    x = 32,385,699.24/7,920.84
  6. Step 6: Final answer
    x = 4,088.67

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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.