Home / 4,453.17-6,678.36-1,855.50

Finding the Fourth Proportional to 4,453.17, 6,678.36 and 1,855.50

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Solution

The fourth proportional to 4,453.17, 6,678.36 and 1,855.50 is: 2,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.17 : 6,678.36 = 1,855.50 : x
  2. Step 2: Convert to fraction form
    4,453.17/6,678.36 = 1,855.50/x
  3. Step 3: Cross multiply
    4,453.17x = 6,678.36 × 1,855.50
  4. Step 4: Simplify right side
    4,453.17x = 12,391,696.98
  5. Step 5: Solve for x
    x = 12,391,696.98/4,453.17
  6. Step 6: Final answer
    x = 2,782.67

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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.