Home / 6,948.56-10,421.58-2,018.90

Finding the Fourth Proportional to 6,948.56, 10,421.58 and 2,018.90

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Solution

The fourth proportional to 6,948.56, 10,421.58 and 2,018.90 is: 3,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,948.56 : 10,421.58 = 2,018.90 : x
  2. Step 2: Convert to fraction form
    6,948.56/10,421.58 = 2,018.90/x
  3. Step 3: Cross multiply
    6,948.56x = 10,421.58 × 2,018.90
  4. Step 4: Simplify right side
    6,948.56x = 21,040,127.86
  5. Step 5: Solve for x
    x = 21,040,127.86/6,948.56
  6. Step 6: Final answer
    x = 3,027.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.