Home / 5,101.48-7,639.24-4,673.80

Finding the Fourth Proportional to 5,101.48, 7,639.24 and 4,673.80

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Solution

The fourth proportional to 5,101.48, 7,639.24 and 4,673.80 is: 6,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.48 : 7,639.24 = 4,673.80 : x
  2. Step 2: Convert to fraction form
    5,101.48/7,639.24 = 4,673.80/x
  3. Step 3: Cross multiply
    5,101.48x = 7,639.24 × 4,673.80
  4. Step 4: Simplify right side
    5,101.48x = 35,704,279.91
  5. Step 5: Solve for x
    x = 35,704,279.91/5,101.48
  6. Step 6: Final answer
    x = 6,998.81

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1.5x scale

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.