Home / 4,681.86-7,022.33-1,219.11

Finding the Fourth Proportional to 4,681.86, 7,022.33 and 1,219.11

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Solution

The fourth proportional to 4,681.86, 7,022.33 and 1,219.11 is: 1,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.86 : 7,022.33 = 1,219.11 : x
  2. Step 2: Convert to fraction form
    4,681.86/7,022.33 = 1,219.11/x
  3. Step 3: Cross multiply
    4,681.86x = 7,022.33 × 1,219.11
  4. Step 4: Simplify right side
    4,681.86x = 8,560,986.63
  5. Step 5: Solve for x
    x = 8,560,986.63/4,681.86
  6. Step 6: Final answer
    x = 1,828.54

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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.