Home / 8,464.48-11,681.54-4,687.80

Finding the Fourth Proportional to 8,464.48, 11,681.54 and 4,687.80

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Solution

The fourth proportional to 8,464.48, 11,681.54 and 4,687.80 is: 6,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.48 : 11,681.54 = 4,687.80 : x
  2. Step 2: Convert to fraction form
    8,464.48/11,681.54 = 4,687.80/x
  3. Step 3: Cross multiply
    8,464.48x = 11,681.54 × 4,687.80
  4. Step 4: Simplify right side
    8,464.48x = 54,760,723.21
  5. Step 5: Solve for x
    x = 54,760,723.21/8,464.48
  6. Step 6: Final answer
    x = 6,469.47

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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.