Home / 4,428.14-6,642.20-4,235.95

Finding the Fourth Proportional to 4,428.14, 6,642.20 and 4,235.95

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Solution

The fourth proportional to 4,428.14, 6,642.20 and 4,235.95 is: 6,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.14 : 6,642.20 = 4,235.95 : x
  2. Step 2: Convert to fraction form
    4,428.14/6,642.20 = 4,235.95/x
  3. Step 3: Cross multiply
    4,428.14x = 6,642.20 × 4,235.95
  4. Step 4: Simplify right side
    4,428.14x = 28,136,045.98
  5. Step 5: Solve for x
    x = 28,136,045.98/4,428.14
  6. Step 6: Final answer
    x = 6,353.93

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Similar ratio
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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.