Home / 4,812.23-7,218.54-2,860.13

Finding the Fourth Proportional to 4,812.23, 7,218.54 and 2,860.13

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Solution

The fourth proportional to 4,812.23, 7,218.54 and 2,860.13 is: 4,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.23 : 7,218.54 = 2,860.13 : x
  2. Step 2: Convert to fraction form
    4,812.23/7,218.54 = 2,860.13/x
  3. Step 3: Cross multiply
    4,812.23x = 7,218.54 × 2,860.13
  4. Step 4: Simplify right side
    4,812.23x = 20,645,926.72
  5. Step 5: Solve for x
    x = 20,645,926.72/4,812.23
  6. Step 6: Final answer
    x = 4,290.31

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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.