Home / 4,558.49-6,838.65-1,438.98

Finding the Fourth Proportional to 4,558.49, 6,838.65 and 1,438.98

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Solution

The fourth proportional to 4,558.49, 6,838.65 and 1,438.98 is: 2,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558.49 : 6,838.65 = 1,438.98 : x
  2. Step 2: Convert to fraction form
    4,558.49/6,838.65 = 1,438.98/x
  3. Step 3: Cross multiply
    4,558.49x = 6,838.65 × 1,438.98
  4. Step 4: Simplify right side
    4,558.49x = 9,840,680.58
  5. Step 5: Solve for x
    x = 9,840,680.58/4,558.49
  6. Step 6: Final answer
    x = 2,158.76

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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.