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Finding the Fourth Proportional to 6,395.27, 8,818.42 and 4,379.02

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Solution

The fourth proportional to 6,395.27, 8,818.42 and 4,379.02 is: 6,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.27 : 8,818.42 = 4,379.02 : x
  2. Step 2: Convert to fraction form
    6,395.27/8,818.42 = 4,379.02/x
  3. Step 3: Cross multiply
    6,395.27x = 8,818.42 × 4,379.02
  4. Step 4: Simplify right side
    6,395.27x = 38,616,012.77
  5. Step 5: Solve for x
    x = 38,616,012.77/6,395.27
  6. Step 6: Final answer
    x = 6,038.22

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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.