Home / 4,612.48-6,917.79-1,324.80

Finding the Fourth Proportional to 4,612.48, 6,917.79 and 1,324.80

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Solution

The fourth proportional to 4,612.48, 6,917.79 and 1,324.80 is: 1,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.48 : 6,917.79 = 1,324.80 : x
  2. Step 2: Convert to fraction form
    4,612.48/6,917.79 = 1,324.80/x
  3. Step 3: Cross multiply
    4,612.48x = 6,917.79 × 1,324.80
  4. Step 4: Simplify right side
    4,612.48x = 9,164,688.19
  5. Step 5: Solve for x
    x = 9,164,688.19/4,612.48
  6. Step 6: Final answer
    x = 1,986.94

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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.