Home / 8,464.24-11,680.84-5,485.26

Finding the Fourth Proportional to 8,464.24, 11,680.84 and 5,485.26

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Solution

The fourth proportional to 8,464.24, 11,680.84 and 5,485.26 is: 7,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.24 : 11,680.84 = 5,485.26 : x
  2. Step 2: Convert to fraction form
    8,464.24/11,680.84 = 5,485.26/x
  3. Step 3: Cross multiply
    8,464.24x = 11,680.84 × 5,485.26
  4. Step 4: Simplify right side
    8,464.24x = 64,072,444.42
  5. Step 5: Solve for x
    x = 64,072,444.42/8,464.24
  6. Step 6: Final answer
    x = 7,569.78

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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.