Home / 7,089.22-10,632.60-1,893.88

Finding the Fourth Proportional to 7,089.22, 10,632.60 and 1,893.88

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Solution

The fourth proportional to 7,089.22, 10,632.60 and 1,893.88 is: 2,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.22 : 10,632.60 = 1,893.88 : x
  2. Step 2: Convert to fraction form
    7,089.22/10,632.60 = 1,893.88/x
  3. Step 3: Cross multiply
    7,089.22x = 10,632.60 × 1,893.88
  4. Step 4: Simplify right side
    7,089.22x = 20,136,868.49
  5. Step 5: Solve for x
    x = 20,136,868.49/7,089.22
  6. Step 6: Final answer
    x = 2,840.49

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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.