Home / 4,684.86-7,028.51-2,219.63

Finding the Fourth Proportional to 4,684.86, 7,028.51 and 2,219.63

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Solution

The fourth proportional to 4,684.86, 7,028.51 and 2,219.63 is: 3,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.86 : 7,028.51 = 2,219.63 : x
  2. Step 2: Convert to fraction form
    4,684.86/7,028.51 = 2,219.63/x
  3. Step 3: Cross multiply
    4,684.86x = 7,028.51 × 2,219.63
  4. Step 4: Simplify right side
    4,684.86x = 15,600,645.41
  5. Step 5: Solve for x
    x = 15,600,645.41/4,684.86
  6. Step 6: Final answer
    x = 3,330.01

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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.