Home / 4,686.30-7,032.78-2,221.66

Finding the Fourth Proportional to 4,686.30, 7,032.78 and 2,221.66

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Solution

The fourth proportional to 4,686.30, 7,032.78 and 2,221.66 is: 3,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.30 : 7,032.78 = 2,221.66 : x
  2. Step 2: Convert to fraction form
    4,686.30/7,032.78 = 2,221.66/x
  3. Step 3: Cross multiply
    4,686.30x = 7,032.78 × 2,221.66
  4. Step 4: Simplify right side
    4,686.30x = 15,624,446.01
  5. Step 5: Solve for x
    x = 15,624,446.01/4,686.30
  6. Step 6: Final answer
    x = 3,334.07

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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.