Home / 8,310.36-12,465.44-2,387.39

Finding the Fourth Proportional to 8,310.36, 12,465.44 and 2,387.39

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Solution

The fourth proportional to 8,310.36, 12,465.44 and 2,387.39 is: 3,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.36 : 12,465.44 = 2,387.39 : x
  2. Step 2: Convert to fraction form
    8,310.36/12,465.44 = 2,387.39/x
  3. Step 3: Cross multiply
    8,310.36x = 12,465.44 × 2,387.39
  4. Step 4: Simplify right side
    8,310.36x = 29,759,872.77
  5. Step 5: Solve for x
    x = 29,759,872.77/8,310.36
  6. Step 6: Final answer
    x = 3,581.06

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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.