Home / 5,645.28-8,464.84-4,482.75

Finding the Fourth Proportional to 5,645.28, 8,464.84 and 4,482.75

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Solution

The fourth proportional to 5,645.28, 8,464.84 and 4,482.75 is: 6,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.28 : 8,464.84 = 4,482.75 : x
  2. Step 2: Convert to fraction form
    5,645.28/8,464.84 = 4,482.75/x
  3. Step 3: Cross multiply
    5,645.28x = 8,464.84 × 4,482.75
  4. Step 4: Simplify right side
    5,645.28x = 37,945,761.51
  5. Step 5: Solve for x
    x = 37,945,761.51/5,645.28
  6. Step 6: Final answer
    x = 6,721.68

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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.