Home / 4,580-6,869.66-1,459.88

Finding the Fourth Proportional to 4,580, 6,869.66 and 1,459.88

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Solution

The fourth proportional to 4,580, 6,869.66 and 1,459.88 is: 2,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580 : 6,869.66 = 1,459.88 : x
  2. Step 2: Convert to fraction form
    4,580/6,869.66 = 1,459.88/x
  3. Step 3: Cross multiply
    4,580x = 6,869.66 × 1,459.88
  4. Step 4: Simplify right side
    4,580x = 10,028,879.24
  5. Step 5: Solve for x
    x = 10,028,879.24/4,580
  6. Step 6: Final answer
    x = 2,189.71

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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.