Home / 4,338.48-6,509.28-1,416.80

Finding the Fourth Proportional to 4,338.48, 6,509.28 and 1,416.80

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Solution

The fourth proportional to 4,338.48, 6,509.28 and 1,416.80 is: 2,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.48 : 6,509.28 = 1,416.80 : x
  2. Step 2: Convert to fraction form
    4,338.48/6,509.28 = 1,416.80/x
  3. Step 3: Cross multiply
    4,338.48x = 6,509.28 × 1,416.80
  4. Step 4: Simplify right side
    4,338.48x = 9,222,347.90
  5. Step 5: Solve for x
    x = 9,222,347.90/4,338.48
  6. Step 6: Final answer
    x = 2,125.71

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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.