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Finding the Fourth Proportional to 6,304.15, 8,698.40 and 3,651.40

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Solution

The fourth proportional to 6,304.15, 8,698.40 and 3,651.40 is: 5,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,304.15 : 8,698.40 = 3,651.40 : x
  2. Step 2: Convert to fraction form
    6,304.15/8,698.40 = 3,651.40/x
  3. Step 3: Cross multiply
    6,304.15x = 8,698.40 × 3,651.40
  4. Step 4: Simplify right side
    6,304.15x = 31,761,294.27
  5. Step 5: Solve for x
    x = 31,761,294.27/6,304.15
  6. Step 6: Final answer
    x = 5,038.16

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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.