Home / 8,245.07-12,369.18-3,315.11

Finding the Fourth Proportional to 8,245.07, 12,369.18 and 3,315.11

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Solution

The fourth proportional to 8,245.07, 12,369.18 and 3,315.11 is: 4,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.07 : 12,369.18 = 3,315.11 : x
  2. Step 2: Convert to fraction form
    8,245.07/12,369.18 = 3,315.11/x
  3. Step 3: Cross multiply
    8,245.07x = 12,369.18 × 3,315.11
  4. Step 4: Simplify right side
    8,245.07x = 41,005,192.31
  5. Step 5: Solve for x
    x = 41,005,192.31/8,245.07
  6. Step 6: Final answer
    x = 4,973.30

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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.