Home / 7,100.79-10,654.13-2,941.65

Finding the Fourth Proportional to 7,100.79, 10,654.13 and 2,941.65

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Solution

The fourth proportional to 7,100.79, 10,654.13 and 2,941.65 is: 4,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100.79 : 10,654.13 = 2,941.65 : x
  2. Step 2: Convert to fraction form
    7,100.79/10,654.13 = 2,941.65/x
  3. Step 3: Cross multiply
    7,100.79x = 10,654.13 × 2,941.65
  4. Step 4: Simplify right side
    7,100.79x = 31,340,721.51
  5. Step 5: Solve for x
    x = 31,340,721.51/7,100.79
  6. Step 6: Final answer
    x = 4,413.70

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1.5x scale

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.