Home / 6,438.17-8,892.03-4,554.51

Finding the Fourth Proportional to 6,438.17, 8,892.03 and 4,554.51

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Solution

The fourth proportional to 6,438.17, 8,892.03 and 4,554.51 is: 6,290.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.17 : 8,892.03 = 4,554.51 : x
  2. Step 2: Convert to fraction form
    6,438.17/8,892.03 = 4,554.51/x
  3. Step 3: Cross multiply
    6,438.17x = 8,892.03 × 4,554.51
  4. Step 4: Simplify right side
    6,438.17x = 40,498,839.56
  5. Step 5: Solve for x
    x = 40,498,839.56/6,438.17
  6. Step 6: Final answer
    x = 6,290.43

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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.