Home / 8,313.03-12,469.14-3,118.50

Finding the Fourth Proportional to 8,313.03, 12,469.14 and 3,118.50

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Solution

The fourth proportional to 8,313.03, 12,469.14 and 3,118.50 is: 4,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.03 : 12,469.14 = 3,118.50 : x
  2. Step 2: Convert to fraction form
    8,313.03/12,469.14 = 3,118.50/x
  3. Step 3: Cross multiply
    8,313.03x = 12,469.14 × 3,118.50
  4. Step 4: Simplify right side
    8,313.03x = 38,885,013.09
  5. Step 5: Solve for x
    x = 38,885,013.09/8,313.03
  6. Step 6: Final answer
    x = 4,677.60

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1.5x scale

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.