Home / 8,277.84-12,420.60-3,660.24

Finding the Fourth Proportional to 8,277.84, 12,420.60 and 3,660.24

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Solution

The fourth proportional to 8,277.84, 12,420.60 and 3,660.24 is: 5,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.84 : 12,420.60 = 3,660.24 : x
  2. Step 2: Convert to fraction form
    8,277.84/12,420.60 = 3,660.24/x
  3. Step 3: Cross multiply
    8,277.84x = 12,420.60 × 3,660.24
  4. Step 4: Simplify right side
    8,277.84x = 45,462,376.94
  5. Step 5: Solve for x
    x = 45,462,376.94/8,277.84
  6. Step 6: Final answer
    x = 5,492.06

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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.