Home / 5,628.51-7,763.19-4,991.22

Finding the Fourth Proportional to 5,628.51, 7,763.19 and 4,991.22

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Solution

The fourth proportional to 5,628.51, 7,763.19 and 4,991.22 is: 6,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.51 : 7,763.19 = 4,991.22 : x
  2. Step 2: Convert to fraction form
    5,628.51/7,763.19 = 4,991.22/x
  3. Step 3: Cross multiply
    5,628.51x = 7,763.19 × 4,991.22
  4. Step 4: Simplify right side
    5,628.51x = 38,747,789.19
  5. Step 5: Solve for x
    x = 38,747,789.19/5,628.51
  6. Step 6: Final answer
    x = 6,884.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.