Home / 7,224.45-10,835.72-1,959.72

Finding the Fourth Proportional to 7,224.45, 10,835.72 and 1,959.72

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Solution

The fourth proportional to 7,224.45, 10,835.72 and 1,959.72 is: 2,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.45 : 10,835.72 = 1,959.72 : x
  2. Step 2: Convert to fraction form
    7,224.45/10,835.72 = 1,959.72/x
  3. Step 3: Cross multiply
    7,224.45x = 10,835.72 × 1,959.72
  4. Step 4: Simplify right side
    7,224.45x = 21,234,977.20
  5. Step 5: Solve for x
    x = 21,234,977.20/7,224.45
  6. Step 6: Final answer
    x = 2,939.32

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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.