Home / 6,386.08-8,755.28-6,269.44

Finding the Fourth Proportional to 6,386.08, 8,755.28 and 6,269.44

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Solution

The fourth proportional to 6,386.08, 8,755.28 and 6,269.44 is: 8,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.08 : 8,755.28 = 6,269.44 : x
  2. Step 2: Convert to fraction form
    6,386.08/8,755.28 = 6,269.44/x
  3. Step 3: Cross multiply
    6,386.08x = 8,755.28 × 6,269.44
  4. Step 4: Simplify right side
    6,386.08x = 54,890,702.64
  5. Step 5: Solve for x
    x = 54,890,702.64/6,386.08
  6. Step 6: Final answer
    x = 8,595.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.