Home / 5,482.72-8,220.24-2,559.28

Finding the Fourth Proportional to 5,482.72, 8,220.24 and 2,559.28

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Solution

The fourth proportional to 5,482.72, 8,220.24 and 2,559.28 is: 3,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.72 : 8,220.24 = 2,559.28 : x
  2. Step 2: Convert to fraction form
    5,482.72/8,220.24 = 2,559.28/x
  3. Step 3: Cross multiply
    5,482.72x = 8,220.24 × 2,559.28
  4. Step 4: Simplify right side
    5,482.72x = 21,037,895.83
  5. Step 5: Solve for x
    x = 21,037,895.83/5,482.72
  6. Step 6: Final answer
    x = 3,837.13

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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.