Home / 4,478.80-6,720.96-2,833.08

Finding the Fourth Proportional to 4,478.80, 6,720.96 and 2,833.08

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Solution

The fourth proportional to 4,478.80, 6,720.96 and 2,833.08 is: 4,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.80 : 6,720.96 = 2,833.08 : x
  2. Step 2: Convert to fraction form
    4,478.80/6,720.96 = 2,833.08/x
  3. Step 3: Cross multiply
    4,478.80x = 6,720.96 × 2,833.08
  4. Step 4: Simplify right side
    4,478.80x = 19,041,017.36
  5. Step 5: Solve for x
    x = 19,041,017.36/4,478.80
  6. Step 6: Final answer
    x = 4,251.37

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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.