Home / 8,685.96-11,986.61-4,707.04

Finding the Fourth Proportional to 8,685.96, 11,986.61 and 4,707.04

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Solution

The fourth proportional to 8,685.96, 11,986.61 and 4,707.04 is: 6,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.96 : 11,986.61 = 4,707.04 : x
  2. Step 2: Convert to fraction form
    8,685.96/11,986.61 = 4,707.04/x
  3. Step 3: Cross multiply
    8,685.96x = 11,986.61 × 4,707.04
  4. Step 4: Simplify right side
    8,685.96x = 56,421,392.80
  5. Step 5: Solve for x
    x = 56,421,392.80/8,685.96
  6. Step 6: Final answer
    x = 6,495.70

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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.