Home / 7,099.36-10,647.82-2,655.84

Finding the Fourth Proportional to 7,099.36, 10,647.82 and 2,655.84

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Solution

The fourth proportional to 7,099.36, 10,647.82 and 2,655.84 is: 3,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.36 : 10,647.82 = 2,655.84 : x
  2. Step 2: Convert to fraction form
    7,099.36/10,647.82 = 2,655.84/x
  3. Step 3: Cross multiply
    7,099.36x = 10,647.82 × 2,655.84
  4. Step 4: Simplify right side
    7,099.36x = 28,278,889.62
  5. Step 5: Solve for x
    x = 28,278,889.62/7,099.36
  6. Step 6: Final answer
    x = 3,983.30

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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.