Home / 4,485.79-6,728.92-1,365.55

Finding the Fourth Proportional to 4,485.79, 6,728.92 and 1,365.55

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Solution

The fourth proportional to 4,485.79, 6,728.92 and 1,365.55 is: 2,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.79 : 6,728.92 = 1,365.55 : x
  2. Step 2: Convert to fraction form
    4,485.79/6,728.92 = 1,365.55/x
  3. Step 3: Cross multiply
    4,485.79x = 6,728.92 × 1,365.55
  4. Step 4: Simplify right side
    4,485.79x = 9,188,676.71
  5. Step 5: Solve for x
    x = 9,188,676.71/4,485.79
  6. Step 6: Final answer
    x = 2,048.40

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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.