Home / 7,124.93-10,686.58-2,965.58

Finding the Fourth Proportional to 7,124.93, 10,686.58 and 2,965.58

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Solution

The fourth proportional to 7,124.93, 10,686.58 and 2,965.58 is: 4,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.93 : 10,686.58 = 2,965.58 : x
  2. Step 2: Convert to fraction form
    7,124.93/10,686.58 = 2,965.58/x
  3. Step 3: Cross multiply
    7,124.93x = 10,686.58 × 2,965.58
  4. Step 4: Simplify right side
    7,124.93x = 31,691,907.92
  5. Step 5: Solve for x
    x = 31,691,907.92/7,124.93
  6. Step 6: Final answer
    x = 4,448.03

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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.