Home / 5,126.28-7,074.18-3,030

Finding the Fourth Proportional to 5,126.28, 7,074.18 and 3,030

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Solution

The fourth proportional to 5,126.28, 7,074.18 and 3,030 is: 4,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.28 : 7,074.18 = 3,030 : x
  2. Step 2: Convert to fraction form
    5,126.28/7,074.18 = 3,030/x
  3. Step 3: Cross multiply
    5,126.28x = 7,074.18 × 3,030
  4. Step 4: Simplify right side
    5,126.28x = 21,434,765.40
  5. Step 5: Solve for x
    x = 21,434,765.40/5,126.28
  6. Step 6: Final answer
    x = 4,181.35

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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.