Home / 4,441.78-6,663.75-1,520.20

Finding the Fourth Proportional to 4,441.78, 6,663.75 and 1,520.20

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Solution

The fourth proportional to 4,441.78, 6,663.75 and 1,520.20 is: 2,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.78 : 6,663.75 = 1,520.20 : x
  2. Step 2: Convert to fraction form
    4,441.78/6,663.75 = 1,520.20/x
  3. Step 3: Cross multiply
    4,441.78x = 6,663.75 × 1,520.20
  4. Step 4: Simplify right side
    4,441.78x = 10,130,232.75
  5. Step 5: Solve for x
    x = 10,130,232.75/4,441.78
  6. Step 6: Final answer
    x = 2,280.67

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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.