Home / 4,889.04-6,745.10-3,211.35

Finding the Fourth Proportional to 4,889.04, 6,745.10 and 3,211.35

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Solution

The fourth proportional to 4,889.04, 6,745.10 and 3,211.35 is: 4,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.04 : 6,745.10 = 3,211.35 : x
  2. Step 2: Convert to fraction form
    4,889.04/6,745.10 = 3,211.35/x
  3. Step 3: Cross multiply
    4,889.04x = 6,745.10 × 3,211.35
  4. Step 4: Simplify right side
    4,889.04x = 21,660,876.89
  5. Step 5: Solve for x
    x = 21,660,876.89/4,889.04
  6. Step 6: Final answer
    x = 4,430.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.