Home / 8,308.40-12,467.57-3,377.66

Finding the Fourth Proportional to 8,308.40, 12,467.57 and 3,377.66

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Solution

The fourth proportional to 8,308.40, 12,467.57 and 3,377.66 is: 5,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.40 : 12,467.57 = 3,377.66 : x
  2. Step 2: Convert to fraction form
    8,308.40/12,467.57 = 3,377.66/x
  3. Step 3: Cross multiply
    8,308.40x = 12,467.57 × 3,377.66
  4. Step 4: Simplify right side
    8,308.40x = 42,111,133.26
  5. Step 5: Solve for x
    x = 42,111,133.26/8,308.40
  6. Step 6: Final answer
    x = 5,068.50

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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.