Home / 5,482.11-7,563.46-3,122.58

Finding the Fourth Proportional to 5,482.11, 7,563.46 and 3,122.58

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Solution

The fourth proportional to 5,482.11, 7,563.46 and 3,122.58 is: 4,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.11 : 7,563.46 = 3,122.58 : x
  2. Step 2: Convert to fraction form
    5,482.11/7,563.46 = 3,122.58/x
  3. Step 3: Cross multiply
    5,482.11x = 7,563.46 × 3,122.58
  4. Step 4: Simplify right side
    5,482.11x = 23,617,501.12
  5. Step 5: Solve for x
    x = 23,617,501.12/5,482.11
  6. Step 6: Final answer
    x = 4,308.10

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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.