Home / 7,219.60-10,828.44-2,289.74

Finding the Fourth Proportional to 7,219.60, 10,828.44 and 2,289.74

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Solution

The fourth proportional to 7,219.60, 10,828.44 and 2,289.74 is: 3,434.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.60 : 10,828.44 = 2,289.74 : x
  2. Step 2: Convert to fraction form
    7,219.60/10,828.44 = 2,289.74/x
  3. Step 3: Cross multiply
    7,219.60x = 10,828.44 × 2,289.74
  4. Step 4: Simplify right side
    7,219.60x = 24,794,312.21
  5. Step 5: Solve for x
    x = 24,794,312.21/7,219.60
  6. Step 6: Final answer
    x = 3,434.31

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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.