Home / 5,437.22-8,155.83-1,333.22

Finding the Fourth Proportional to 5,437.22, 8,155.83 and 1,333.22

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Solution

The fourth proportional to 5,437.22, 8,155.83 and 1,333.22 is: 1,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.22 : 8,155.83 = 1,333.22 : x
  2. Step 2: Convert to fraction form
    5,437.22/8,155.83 = 1,333.22/x
  3. Step 3: Cross multiply
    5,437.22x = 8,155.83 × 1,333.22
  4. Step 4: Simplify right side
    5,437.22x = 10,873,474.89
  5. Step 5: Solve for x
    x = 10,873,474.89/5,437.22
  6. Step 6: Final answer
    x = 1,999.82

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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.