Home / 4,889.46-7,334.64-1,379.52

Finding the Fourth Proportional to 4,889.46, 7,334.64 and 1,379.52

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Solution

The fourth proportional to 4,889.46, 7,334.64 and 1,379.52 is: 2,069.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.46 : 7,334.64 = 1,379.52 : x
  2. Step 2: Convert to fraction form
    4,889.46/7,334.64 = 1,379.52/x
  3. Step 3: Cross multiply
    4,889.46x = 7,334.64 × 1,379.52
  4. Step 4: Simplify right side
    4,889.46x = 10,118,270.32
  5. Step 5: Solve for x
    x = 10,118,270.32/4,889.46
  6. Step 6: Final answer
    x = 2,069.40

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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.