Home / 7,378.84-11,068.24-2,185.12

Finding the Fourth Proportional to 7,378.84, 11,068.24 and 2,185.12

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Solution

The fourth proportional to 7,378.84, 11,068.24 and 2,185.12 is: 3,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.84 : 11,068.24 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    7,378.84/11,068.24 = 2,185.12/x
  3. Step 3: Cross multiply
    7,378.84x = 11,068.24 × 2,185.12
  4. Step 4: Simplify right side
    7,378.84x = 24,185,432.59
  5. Step 5: Solve for x
    x = 24,185,432.59/7,378.84
  6. Step 6: Final answer
    x = 3,277.67

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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.