Home / 6,816.71-9,406.90-4,458.80

Finding the Fourth Proportional to 6,816.71, 9,406.90 and 4,458.80

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Solution

The fourth proportional to 6,816.71, 9,406.90 and 4,458.80 is: 6,153.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.71 : 9,406.90 = 4,458.80 : x
  2. Step 2: Convert to fraction form
    6,816.71/9,406.90 = 4,458.80/x
  3. Step 3: Cross multiply
    6,816.71x = 9,406.90 × 4,458.80
  4. Step 4: Simplify right side
    6,816.71x = 41,943,514.81
  5. Step 5: Solve for x
    x = 41,943,514.81/6,816.71
  6. Step 6: Final answer
    x = 6,153.04

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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.