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Finding the Fourth Proportional to 6,394.70, 8,830.26 and 4,304.90

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Solution

The fourth proportional to 6,394.70, 8,830.26 and 4,304.90 is: 5,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.70 : 8,830.26 = 4,304.90 : x
  2. Step 2: Convert to fraction form
    6,394.70/8,830.26 = 4,304.90/x
  3. Step 3: Cross multiply
    6,394.70x = 8,830.26 × 4,304.90
  4. Step 4: Simplify right side
    6,394.70x = 38,013,386.27
  5. Step 5: Solve for x
    x = 38,013,386.27/6,394.70
  6. Step 6: Final answer
    x = 5,944.51

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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.