Home / 8,634.84-12,951.62-4,925.44

Finding the Fourth Proportional to 8,634.84, 12,951.62 and 4,925.44

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Solution

The fourth proportional to 8,634.84, 12,951.62 and 4,925.44 is: 7,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.84 : 12,951.62 = 4,925.44 : x
  2. Step 2: Convert to fraction form
    8,634.84/12,951.62 = 4,925.44/x
  3. Step 3: Cross multiply
    8,634.84x = 12,951.62 × 4,925.44
  4. Step 4: Simplify right side
    8,634.84x = 63,792,427.21
  5. Step 5: Solve for x
    x = 63,792,427.21/8,634.84
  6. Step 6: Final answer
    x = 7,387.79

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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.