Home / 5,019.78-6,928.74-3,030

Finding the Fourth Proportional to 5,019.78, 6,928.74 and 3,030

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Solution

The fourth proportional to 5,019.78, 6,928.74 and 3,030 is: 4,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.78 : 6,928.74 = 3,030 : x
  2. Step 2: Convert to fraction form
    5,019.78/6,928.74 = 3,030/x
  3. Step 3: Cross multiply
    5,019.78x = 6,928.74 × 3,030
  4. Step 4: Simplify right side
    5,019.78x = 20,994,082.20
  5. Step 5: Solve for x
    x = 20,994,082.20/5,019.78
  6. Step 6: Final answer
    x = 4,182.27

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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.