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Finding the Fourth Proportional to 6,259.39, 8,632.06 and 4,669.86

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Solution

The fourth proportional to 6,259.39, 8,632.06 and 4,669.86 is: 6,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.39 : 8,632.06 = 4,669.86 : x
  2. Step 2: Convert to fraction form
    6,259.39/8,632.06 = 4,669.86/x
  3. Step 3: Cross multiply
    6,259.39x = 8,632.06 × 4,669.86
  4. Step 4: Simplify right side
    6,259.39x = 40,310,511.71
  5. Step 5: Solve for x
    x = 40,310,511.71/6,259.39
  6. Step 6: Final answer
    x = 6,440.01

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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.