Home / 4,559.50-6,839.91-1,438.45

Finding the Fourth Proportional to 4,559.50, 6,839.91 and 1,438.45

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Solution

The fourth proportional to 4,559.50, 6,839.91 and 1,438.45 is: 2,157.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,559.50 : 6,839.91 = 1,438.45 : x
  2. Step 2: Convert to fraction form
    4,559.50/6,839.91 = 1,438.45/x
  3. Step 3: Cross multiply
    4,559.50x = 6,839.91 × 1,438.45
  4. Step 4: Simplify right side
    4,559.50x = 9,838,868.54
  5. Step 5: Solve for x
    x = 9,838,868.54/4,559.50
  6. Step 6: Final answer
    x = 2,157.88

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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.