Home / 8,162.27-12,239.75-2,317.51

Finding the Fourth Proportional to 8,162.27, 12,239.75 and 2,317.51

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Solution

The fourth proportional to 8,162.27, 12,239.75 and 2,317.51 is: 3,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.27 : 12,239.75 = 2,317.51 : x
  2. Step 2: Convert to fraction form
    8,162.27/12,239.75 = 2,317.51/x
  3. Step 3: Cross multiply
    8,162.27x = 12,239.75 × 2,317.51
  4. Step 4: Simplify right side
    8,162.27x = 28,365,681.82
  5. Step 5: Solve for x
    x = 28,365,681.82/8,162.27
  6. Step 6: Final answer
    x = 3,475.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.