Home / 4,880.70-7,325.91-2,690.46

Finding the Fourth Proportional to 4,880.70, 7,325.91 and 2,690.46

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Solution

The fourth proportional to 4,880.70, 7,325.91 and 2,690.46 is: 4,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.70 : 7,325.91 = 2,690.46 : x
  2. Step 2: Convert to fraction form
    4,880.70/7,325.91 = 2,690.46/x
  3. Step 3: Cross multiply
    4,880.70x = 7,325.91 × 2,690.46
  4. Step 4: Simplify right side
    4,880.70x = 19,710,067.82
  5. Step 5: Solve for x
    x = 19,710,067.82/4,880.70
  6. Step 6: Final answer
    x = 4,038.37

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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.