Home / 4,478.97-6,720.27-1,559.32

Finding the Fourth Proportional to 4,478.97, 6,720.27 and 1,559.32

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Solution

The fourth proportional to 4,478.97, 6,720.27 and 1,559.32 is: 2,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.97 : 6,720.27 = 1,559.32 : x
  2. Step 2: Convert to fraction form
    4,478.97/6,720.27 = 1,559.32/x
  3. Step 3: Cross multiply
    4,478.97x = 6,720.27 × 1,559.32
  4. Step 4: Simplify right side
    4,478.97x = 10,479,051.42
  5. Step 5: Solve for x
    x = 10,479,051.42/4,478.97
  6. Step 6: Final answer
    x = 2,339.61

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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.