Home / 8,686.26-11,986.96-4,707.14

Finding the Fourth Proportional to 8,686.26, 11,986.96 and 4,707.14

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Solution

The fourth proportional to 8,686.26, 11,986.96 and 4,707.14 is: 6,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686.26 : 11,986.96 = 4,707.14 : x
  2. Step 2: Convert to fraction form
    8,686.26/11,986.96 = 4,707.14/x
  3. Step 3: Cross multiply
    8,686.26x = 11,986.96 × 4,707.14
  4. Step 4: Simplify right side
    8,686.26x = 56,424,298.89
  5. Step 5: Solve for x
    x = 56,424,298.89/8,686.26
  6. Step 6: Final answer
    x = 6,495.81

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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.