Home / 6,270.16-9,408.12-2,808.40

Finding the Fourth Proportional to 6,270.16, 9,408.12 and 2,808.40

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Solution

The fourth proportional to 6,270.16, 9,408.12 and 2,808.40 is: 4,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.16 : 9,408.12 = 2,808.40 : x
  2. Step 2: Convert to fraction form
    6,270.16/9,408.12 = 2,808.40/x
  3. Step 3: Cross multiply
    6,270.16x = 9,408.12 × 2,808.40
  4. Step 4: Simplify right side
    6,270.16x = 26,421,764.21
  5. Step 5: Solve for x
    x = 26,421,764.21/6,270.16
  6. Step 6: Final answer
    x = 4,213.89

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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.