Home / 6,438.03-8,882.40-3,604.98

Finding the Fourth Proportional to 6,438.03, 8,882.40 and 3,604.98

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Solution

The fourth proportional to 6,438.03, 8,882.40 and 3,604.98 is: 4,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.03 : 8,882.40 = 3,604.98 : x
  2. Step 2: Convert to fraction form
    6,438.03/8,882.40 = 3,604.98/x
  3. Step 3: Cross multiply
    6,438.03x = 8,882.40 × 3,604.98
  4. Step 4: Simplify right side
    6,438.03x = 32,020,874.35
  5. Step 5: Solve for x
    x = 32,020,874.35/6,438.03
  6. Step 6: Final answer
    x = 4,973.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.