Home / 7,100.55-10,653.75-2,941.40

Finding the Fourth Proportional to 7,100.55, 10,653.75 and 2,941.40

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Solution

The fourth proportional to 7,100.55, 10,653.75 and 2,941.40 is: 4,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.55 : 10,653.75 = 2,941.40 : x
  2. Step 2: Convert to fraction form
    7,100.55/10,653.75 = 2,941.40/x
  3. Step 3: Cross multiply
    7,100.55x = 10,653.75 × 2,941.40
  4. Step 4: Simplify right side
    7,100.55x = 31,336,886.98
  5. Step 5: Solve for x
    x = 31,336,886.98/7,100.55
  6. Step 6: Final answer
    x = 4,413.30

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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.