Home / 5,020.35-6,928.26-3,030.51

Finding the Fourth Proportional to 5,020.35, 6,928.26 and 3,030.51

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Solution

The fourth proportional to 5,020.35, 6,928.26 and 3,030.51 is: 4,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.35 : 6,928.26 = 3,030.51 : x
  2. Step 2: Convert to fraction form
    5,020.35/6,928.26 = 3,030.51/x
  3. Step 3: Cross multiply
    5,020.35x = 6,928.26 × 3,030.51
  4. Step 4: Simplify right side
    5,020.35x = 20,996,146.06
  5. Step 5: Solve for x
    x = 20,996,146.06/5,020.35
  6. Step 6: Final answer
    x = 4,182.21

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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.