Home / 4,889.04-7,350.57-3,921.90

Finding the Fourth Proportional to 4,889.04, 7,350.57 and 3,921.90

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Solution

The fourth proportional to 4,889.04, 7,350.57 and 3,921.90 is: 5,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.04 : 7,350.57 = 3,921.90 : x
  2. Step 2: Convert to fraction form
    4,889.04/7,350.57 = 3,921.90/x
  3. Step 3: Cross multiply
    4,889.04x = 7,350.57 × 3,921.90
  4. Step 4: Simplify right side
    4,889.04x = 28,828,200.48
  5. Step 5: Solve for x
    x = 28,828,200.48/4,889.04
  6. Step 6: Final answer
    x = 5,896.50

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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.