Home / 4,420.80-6,133.76-4,383.12

Finding the Fourth Proportional to 4,420.80, 6,133.76 and 4,383.12

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Solution

The fourth proportional to 4,420.80, 6,133.76 and 4,383.12 is: 6,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.80 : 6,133.76 = 4,383.12 : x
  2. Step 2: Convert to fraction form
    4,420.80/6,133.76 = 4,383.12/x
  3. Step 3: Cross multiply
    4,420.80x = 6,133.76 × 4,383.12
  4. Step 4: Simplify right side
    4,420.80x = 26,885,006.13
  5. Step 5: Solve for x
    x = 26,885,006.13/4,420.80
  6. Step 6: Final answer
    x = 6,081.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.