Home / 9,212.48-13,818.67-2,638.67

Finding the Fourth Proportional to 9,212.48, 13,818.67 and 2,638.67

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Solution

The fourth proportional to 9,212.48, 13,818.67 and 2,638.67 is: 3,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.48 : 13,818.67 = 2,638.67 : x
  2. Step 2: Convert to fraction form
    9,212.48/13,818.67 = 2,638.67/x
  3. Step 3: Cross multiply
    9,212.48x = 13,818.67 × 2,638.67
  4. Step 4: Simplify right side
    9,212.48x = 36,462,909.97
  5. Step 5: Solve for x
    x = 36,462,909.97/9,212.48
  6. Step 6: Final answer
    x = 3,957.99

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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.