Home / 8,324.17-11,485.80-4,921.71

Finding the Fourth Proportional to 8,324.17, 11,485.80 and 4,921.71

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Solution

The fourth proportional to 8,324.17, 11,485.80 and 4,921.71 is: 6,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.17 : 11,485.80 = 4,921.71 : x
  2. Step 2: Convert to fraction form
    8,324.17/11,485.80 = 4,921.71/x
  3. Step 3: Cross multiply
    8,324.17x = 11,485.80 × 4,921.71
  4. Step 4: Simplify right side
    8,324.17x = 56,529,798.25
  5. Step 5: Solve for x
    x = 56,529,798.25/8,324.17
  6. Step 6: Final answer
    x = 6,791.05

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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.