Home / 4,889.87-7,335.36-1,771.34

Finding the Fourth Proportional to 4,889.87, 7,335.36 and 1,771.34

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Solution

The fourth proportional to 4,889.87, 7,335.36 and 1,771.34 is: 2,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.87 : 7,335.36 = 1,771.34 : x
  2. Step 2: Convert to fraction form
    4,889.87/7,335.36 = 1,771.34/x
  3. Step 3: Cross multiply
    4,889.87x = 7,335.36 × 1,771.34
  4. Step 4: Simplify right side
    4,889.87x = 12,993,379.91
  5. Step 5: Solve for x
    x = 12,993,379.91/4,889.87
  6. Step 6: Final answer
    x = 2,657.21

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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.