Home / 8,210.09-12,315.14-2,663.44

Finding the Fourth Proportional to 8,210.09, 12,315.14 and 2,663.44

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Solution

The fourth proportional to 8,210.09, 12,315.14 and 2,663.44 is: 3,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.09 : 12,315.14 = 2,663.44 : x
  2. Step 2: Convert to fraction form
    8,210.09/12,315.14 = 2,663.44/x
  3. Step 3: Cross multiply
    8,210.09x = 12,315.14 × 2,663.44
  4. Step 4: Simplify right side
    8,210.09x = 32,800,583.11
  5. Step 5: Solve for x
    x = 32,800,583.11/8,210.09
  6. Step 6: Final answer
    x = 3,995.15

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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.