Home / 4,480.16-6,720.66-1,193.45

Finding the Fourth Proportional to 4,480.16, 6,720.66 and 1,193.45

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Solution

The fourth proportional to 4,480.16, 6,720.66 and 1,193.45 is: 1,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.16 : 6,720.66 = 1,193.45 : x
  2. Step 2: Convert to fraction form
    4,480.16/6,720.66 = 1,193.45/x
  3. Step 3: Cross multiply
    4,480.16x = 6,720.66 × 1,193.45
  4. Step 4: Simplify right side
    4,480.16x = 8,020,738.07
  5. Step 5: Solve for x
    x = 8,020,738.07/4,480.16
  6. Step 6: Final answer
    x = 1,790.28

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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.