Home / 8,467.51-12,698.46-2,920.72

Finding the Fourth Proportional to 8,467.51, 12,698.46 and 2,920.72

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Solution

The fourth proportional to 8,467.51, 12,698.46 and 2,920.72 is: 4,380.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.51 : 12,698.46 = 2,920.72 : x
  2. Step 2: Convert to fraction form
    8,467.51/12,698.46 = 2,920.72/x
  3. Step 3: Cross multiply
    8,467.51x = 12,698.46 × 2,920.72
  4. Step 4: Simplify right side
    8,467.51x = 37,088,646.09
  5. Step 5: Solve for x
    x = 37,088,646.09/8,467.51
  6. Step 6: Final answer
    x = 4,380.11

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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.