Home / 8,923.15-13,384.81-3,656.80

Finding the Fourth Proportional to 8,923.15, 13,384.81 and 3,656.80

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Solution

The fourth proportional to 8,923.15, 13,384.81 and 3,656.80 is: 5,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.15 : 13,384.81 = 3,656.80 : x
  2. Step 2: Convert to fraction form
    8,923.15/13,384.81 = 3,656.80/x
  3. Step 3: Cross multiply
    8,923.15x = 13,384.81 × 3,656.80
  4. Step 4: Simplify right side
    8,923.15x = 48,945,632.15
  5. Step 5: Solve for x
    x = 48,945,632.15/8,923.15
  6. Step 6: Final answer
    x = 5,485.24

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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.