Home / 7,945.48-10,964.59-4,408.62

Finding the Fourth Proportional to 7,945.48, 10,964.59 and 4,408.62

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Solution

The fourth proportional to 7,945.48, 10,964.59 and 4,408.62 is: 6,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.48 : 10,964.59 = 4,408.62 : x
  2. Step 2: Convert to fraction form
    7,945.48/10,964.59 = 4,408.62/x
  3. Step 3: Cross multiply
    7,945.48x = 10,964.59 × 4,408.62
  4. Step 4: Simplify right side
    7,945.48x = 48,338,710.77
  5. Step 5: Solve for x
    x = 48,338,710.77/7,945.48
  6. Step 6: Final answer
    x = 6,083.80

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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.