Home / 4,425.84-6,630.66-2,087.78

Finding the Fourth Proportional to 4,425.84, 6,630.66 and 2,087.78

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Solution

The fourth proportional to 4,425.84, 6,630.66 and 2,087.78 is: 3,127.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.84 : 6,630.66 = 2,087.78 : x
  2. Step 2: Convert to fraction form
    4,425.84/6,630.66 = 2,087.78/x
  3. Step 3: Cross multiply
    4,425.84x = 6,630.66 × 2,087.78
  4. Step 4: Simplify right side
    4,425.84x = 13,843,326.18
  5. Step 5: Solve for x
    x = 13,843,326.18/4,425.84
  6. Step 6: Final answer
    x = 3,127.84

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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.