Home / 4,480.60-6,720.36-1,706.08

Finding the Fourth Proportional to 4,480.60, 6,720.36 and 1,706.08

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Solution

The fourth proportional to 4,480.60, 6,720.36 and 1,706.08 is: 2,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.60 : 6,720.36 = 1,706.08 : x
  2. Step 2: Convert to fraction form
    4,480.60/6,720.36 = 1,706.08/x
  3. Step 3: Cross multiply
    4,480.60x = 6,720.36 × 1,706.08
  4. Step 4: Simplify right side
    4,480.60x = 11,465,471.79
  5. Step 5: Solve for x
    x = 11,465,471.79/4,480.60
  6. Step 6: Final answer
    x = 2,558.91

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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.