Home / 6,386.58-8,813.94-3,554.18

Finding the Fourth Proportional to 6,386.58, 8,813.94 and 3,554.18

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Solution

The fourth proportional to 6,386.58, 8,813.94 and 3,554.18 is: 4,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.58 : 8,813.94 = 3,554.18 : x
  2. Step 2: Convert to fraction form
    6,386.58/8,813.94 = 3,554.18/x
  3. Step 3: Cross multiply
    6,386.58x = 8,813.94 × 3,554.18
  4. Step 4: Simplify right side
    6,386.58x = 31,326,285.20
  5. Step 5: Solve for x
    x = 31,326,285.20/6,386.58
  6. Step 6: Final answer
    x = 4,905.02

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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.