Home / 8,456.52-11,670.09-4,679.49

Finding the Fourth Proportional to 8,456.52, 11,670.09 and 4,679.49

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Solution

The fourth proportional to 8,456.52, 11,670.09 and 4,679.49 is: 6,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.52 : 11,670.09 = 4,679.49 : x
  2. Step 2: Convert to fraction form
    8,456.52/11,670.09 = 4,679.49/x
  3. Step 3: Cross multiply
    8,456.52x = 11,670.09 × 4,679.49
  4. Step 4: Simplify right side
    8,456.52x = 54,610,069.45
  5. Step 5: Solve for x
    x = 54,610,069.45/8,456.52
  6. Step 6: Final answer
    x = 6,457.75

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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.