Home / 7,087.28-10,631.64-1,893.52

Finding the Fourth Proportional to 7,087.28, 10,631.64 and 1,893.52

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Solution

The fourth proportional to 7,087.28, 10,631.64 and 1,893.52 is: 2,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.28 : 10,631.64 = 1,893.52 : x
  2. Step 2: Convert to fraction form
    7,087.28/10,631.64 = 1,893.52/x
  3. Step 3: Cross multiply
    7,087.28x = 10,631.64 × 1,893.52
  4. Step 4: Simplify right side
    7,087.28x = 20,131,222.97
  5. Step 5: Solve for x
    x = 20,131,222.97/7,087.28
  6. Step 6: Final answer
    x = 2,840.47

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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.