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Finding the Fourth Proportional to 6,437.86, 8,883.54 and 3,786.10

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Solution

The fourth proportional to 6,437.86, 8,883.54 and 3,786.10 is: 5,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.86 : 8,883.54 = 3,786.10 : x
  2. Step 2: Convert to fraction form
    6,437.86/8,883.54 = 3,786.10/x
  3. Step 3: Cross multiply
    6,437.86x = 8,883.54 × 3,786.10
  4. Step 4: Simplify right side
    6,437.86x = 33,633,970.79
  5. Step 5: Solve for x
    x = 33,633,970.79/6,437.86
  6. Step 6: Final answer
    x = 5,224.40

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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.