Home / 7,099.45-10,647.80-2,715.86

Finding the Fourth Proportional to 7,099.45, 10,647.80 and 2,715.86

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Solution

The fourth proportional to 7,099.45, 10,647.80 and 2,715.86 is: 4,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.45 : 10,647.80 = 2,715.86 : x
  2. Step 2: Convert to fraction form
    7,099.45/10,647.80 = 2,715.86/x
  3. Step 3: Cross multiply
    7,099.45x = 10,647.80 × 2,715.86
  4. Step 4: Simplify right side
    7,099.45x = 28,917,920.53
  5. Step 5: Solve for x
    x = 28,917,920.53/7,099.45
  6. Step 6: Final answer
    x = 4,073.26

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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.