Home / 8,455.34-12,685.47-3,522.44

Finding the Fourth Proportional to 8,455.34, 12,685.47 and 3,522.44

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Solution

The fourth proportional to 8,455.34, 12,685.47 and 3,522.44 is: 5,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.34 : 12,685.47 = 3,522.44 : x
  2. Step 2: Convert to fraction form
    8,455.34/12,685.47 = 3,522.44/x
  3. Step 3: Cross multiply
    8,455.34x = 12,685.47 × 3,522.44
  4. Step 4: Simplify right side
    8,455.34x = 44,683,806.95
  5. Step 5: Solve for x
    x = 44,683,806.95/8,455.34
  6. Step 6: Final answer
    x = 5,284.68

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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.