Home / 6,387.35-8,813.85-3,554.27

Finding the Fourth Proportional to 6,387.35, 8,813.85 and 3,554.27

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Solution

The fourth proportional to 6,387.35, 8,813.85 and 3,554.27 is: 4,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.35 : 8,813.85 = 3,554.27 : x
  2. Step 2: Convert to fraction form
    6,387.35/8,813.85 = 3,554.27/x
  3. Step 3: Cross multiply
    6,387.35x = 8,813.85 × 3,554.27
  4. Step 4: Simplify right side
    6,387.35x = 31,326,758.57
  5. Step 5: Solve for x
    x = 31,326,758.57/6,387.35
  6. Step 6: Final answer
    x = 4,904.50

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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.