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Finding the Fourth Proportional to 6,291.63, 8,646.01 and 6,002.55

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Solution

The fourth proportional to 6,291.63, 8,646.01 and 6,002.55 is: 8,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.63 : 8,646.01 = 6,002.55 : x
  2. Step 2: Convert to fraction form
    6,291.63/8,646.01 = 6,002.55/x
  3. Step 3: Cross multiply
    6,291.63x = 8,646.01 × 6,002.55
  4. Step 4: Simplify right side
    6,291.63x = 51,898,092.32
  5. Step 5: Solve for x
    x = 51,898,092.32/6,291.63
  6. Step 6: Final answer
    x = 8,248.75

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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.