Home / 7,219-10,822.02-2,600.92

Finding the Fourth Proportional to 7,219, 10,822.02 and 2,600.92

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Solution

The fourth proportional to 7,219, 10,822.02 and 2,600.92 is: 3,899.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219 : 10,822.02 = 2,600.92 : x
  2. Step 2: Convert to fraction form
    7,219/10,822.02 = 2,600.92/x
  3. Step 3: Cross multiply
    7,219x = 10,822.02 × 2,600.92
  4. Step 4: Simplify right side
    7,219x = 28,147,208.26
  5. Step 5: Solve for x
    x = 28,147,208.26/7,219
  6. Step 6: Final answer
    x = 3,899.05

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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.