Home / 4,970.79-7,455.69-2,629.89

Finding the Fourth Proportional to 4,970.79, 7,455.69 and 2,629.89

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Solution

The fourth proportional to 4,970.79, 7,455.69 and 2,629.89 is: 3,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.79 : 7,455.69 = 2,629.89 : x
  2. Step 2: Convert to fraction form
    4,970.79/7,455.69 = 2,629.89/x
  3. Step 3: Cross multiply
    4,970.79x = 7,455.69 × 2,629.89
  4. Step 4: Simplify right side
    4,970.79x = 19,607,644.57
  5. Step 5: Solve for x
    x = 19,607,644.57/4,970.79
  6. Step 6: Final answer
    x = 3,944.57

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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.