Home / 8,427.98-12,634.68-4,527.84

Finding the Fourth Proportional to 8,427.98, 12,634.68 and 4,527.84

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Solution

The fourth proportional to 8,427.98, 12,634.68 and 4,527.84 is: 6,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.98 : 12,634.68 = 4,527.84 : x
  2. Step 2: Convert to fraction form
    8,427.98/12,634.68 = 4,527.84/x
  3. Step 3: Cross multiply
    8,427.98x = 12,634.68 × 4,527.84
  4. Step 4: Simplify right side
    8,427.98x = 57,207,809.49
  5. Step 5: Solve for x
    x = 57,207,809.49/8,427.98
  6. Step 6: Final answer
    x = 6,787.84

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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.