Home / 8,307.75-12,467.52-4,612.92

Finding the Fourth Proportional to 8,307.75, 12,467.52 and 4,612.92

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Solution

The fourth proportional to 8,307.75, 12,467.52 and 4,612.92 is: 6,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.75 : 12,467.52 = 4,612.92 : x
  2. Step 2: Convert to fraction form
    8,307.75/12,467.52 = 4,612.92/x
  3. Step 3: Cross multiply
    8,307.75x = 12,467.52 × 4,612.92
  4. Step 4: Simplify right side
    8,307.75x = 57,511,672.36
  5. Step 5: Solve for x
    x = 57,511,672.36/8,307.75
  6. Step 6: Final answer
    x = 6,922.65

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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.