Home / 4,148.49-6,220.58-1,226.40

Finding the Fourth Proportional to 4,148.49, 6,220.58 and 1,226.40

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Solution

The fourth proportional to 4,148.49, 6,220.58 and 1,226.40 is: 1,838.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.49 : 6,220.58 = 1,226.40 : x
  2. Step 2: Convert to fraction form
    4,148.49/6,220.58 = 1,226.40/x
  3. Step 3: Cross multiply
    4,148.49x = 6,220.58 × 1,226.40
  4. Step 4: Simplify right side
    4,148.49x = 7,628,913.18
  5. Step 5: Solve for x
    x = 7,628,913.18/4,148.49
  6. Step 6: Final answer
    x = 1,838.96

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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.