Home / 8,310.14-12,465.09-2,070.20

Finding the Fourth Proportional to 8,310.14, 12,465.09 and 2,070.20

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Solution

The fourth proportional to 8,310.14, 12,465.09 and 2,070.20 is: 3,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.14 : 12,465.09 = 2,070.20 : x
  2. Step 2: Convert to fraction form
    8,310.14/12,465.09 = 2,070.20/x
  3. Step 3: Cross multiply
    8,310.14x = 12,465.09 × 2,070.20
  4. Step 4: Simplify right side
    8,310.14x = 25,805,166.99
  5. Step 5: Solve for x
    x = 25,805,166.99/8,310.14
  6. Step 6: Final answer
    x = 3,105.26

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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.