Home / 8,277.57-12,416.34-2,438.28

Finding the Fourth Proportional to 8,277.57, 12,416.34 and 2,438.28

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Solution

The fourth proportional to 8,277.57, 12,416.34 and 2,438.28 is: 3,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.57 : 12,416.34 = 2,438.28 : x
  2. Step 2: Convert to fraction form
    8,277.57/12,416.34 = 2,438.28/x
  3. Step 3: Cross multiply
    8,277.57x = 12,416.34 × 2,438.28
  4. Step 4: Simplify right side
    8,277.57x = 30,274,513.50
  5. Step 5: Solve for x
    x = 30,274,513.50/8,277.57
  6. Step 6: Final answer
    x = 3,657.42

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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.