Home / 6,381.28-8,805.98-3,548.58

Finding the Fourth Proportional to 6,381.28, 8,805.98 and 3,548.58

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Solution

The fourth proportional to 6,381.28, 8,805.98 and 3,548.58 is: 4,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381.28 : 8,805.98 = 3,548.58 : x
  2. Step 2: Convert to fraction form
    6,381.28/8,805.98 = 3,548.58/x
  3. Step 3: Cross multiply
    6,381.28x = 8,805.98 × 3,548.58
  4. Step 4: Simplify right side
    6,381.28x = 31,248,724.51
  5. Step 5: Solve for x
    x = 31,248,724.51/6,381.28
  6. Step 6: Final answer
    x = 4,896.94

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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.