Home / 4,455.60-6,686.73-1,684.79

Finding the Fourth Proportional to 4,455.60, 6,686.73 and 1,684.79

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Solution

The fourth proportional to 4,455.60, 6,686.73 and 1,684.79 is: 2,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.60 : 6,686.73 = 1,684.79 : x
  2. Step 2: Convert to fraction form
    4,455.60/6,686.73 = 1,684.79/x
  3. Step 3: Cross multiply
    4,455.60x = 6,686.73 × 1,684.79
  4. Step 4: Simplify right side
    4,455.60x = 11,265,735.84
  5. Step 5: Solve for x
    x = 11,265,735.84/4,455.60
  6. Step 6: Final answer
    x = 2,528.44

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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.