Home / 5,189.10-7,777.38-1,900.41

Finding the Fourth Proportional to 5,189.10, 7,777.38 and 1,900.41

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Solution

The fourth proportional to 5,189.10, 7,777.38 and 1,900.41 is: 2,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.10 : 7,777.38 = 1,900.41 : x
  2. Step 2: Convert to fraction form
    5,189.10/7,777.38 = 1,900.41/x
  3. Step 3: Cross multiply
    5,189.10x = 7,777.38 × 1,900.41
  4. Step 4: Simplify right side
    5,189.10x = 14,780,210.73
  5. Step 5: Solve for x
    x = 14,780,210.73/5,189.10
  6. Step 6: Final answer
    x = 2,848.32

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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.