Home / 5,940.20-8,907.24-1,990.02

Finding the Fourth Proportional to 5,940.20, 8,907.24 and 1,990.02

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Solution

The fourth proportional to 5,940.20, 8,907.24 and 1,990.02 is: 2,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.20 : 8,907.24 = 1,990.02 : x
  2. Step 2: Convert to fraction form
    5,940.20/8,907.24 = 1,990.02/x
  3. Step 3: Cross multiply
    5,940.20x = 8,907.24 × 1,990.02
  4. Step 4: Simplify right side
    5,940.20x = 17,725,585.74
  5. Step 5: Solve for x
    x = 17,725,585.74/5,940.20
  6. Step 6: Final answer
    x = 2,984.00

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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.