Home / 8,923.74-12,315.47-4,945.23

Finding the Fourth Proportional to 8,923.74, 12,315.47 and 4,945.23

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Solution

The fourth proportional to 8,923.74, 12,315.47 and 4,945.23 is: 6,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.74 : 12,315.47 = 4,945.23 : x
  2. Step 2: Convert to fraction form
    8,923.74/12,315.47 = 4,945.23/x
  3. Step 3: Cross multiply
    8,923.74x = 12,315.47 × 4,945.23
  4. Step 4: Simplify right side
    8,923.74x = 60,902,806.98
  5. Step 5: Solve for x
    x = 60,902,806.98/8,923.74
  6. Step 6: Final answer
    x = 6,824.81

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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.