Home / 4,740.86-7,114.92-2,145.62

Finding the Fourth Proportional to 4,740.86, 7,114.92 and 2,145.62

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Solution

The fourth proportional to 4,740.86, 7,114.92 and 2,145.62 is: 3,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.86 : 7,114.92 = 2,145.62 : x
  2. Step 2: Convert to fraction form
    4,740.86/7,114.92 = 2,145.62/x
  3. Step 3: Cross multiply
    4,740.86x = 7,114.92 × 2,145.62
  4. Step 4: Simplify right side
    4,740.86x = 15,265,914.65
  5. Step 5: Solve for x
    x = 15,265,914.65/4,740.86
  6. Step 6: Final answer
    x = 3,220.07

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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.