Home / 5,482.40-7,560.64-3,489.44

Finding the Fourth Proportional to 5,482.40, 7,560.64 and 3,489.44

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Solution

The fourth proportional to 5,482.40, 7,560.64 and 3,489.44 is: 4,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.40 : 7,560.64 = 3,489.44 : x
  2. Step 2: Convert to fraction form
    5,482.40/7,560.64 = 3,489.44/x
  3. Step 3: Cross multiply
    5,482.40x = 7,560.64 × 3,489.44
  4. Step 4: Simplify right side
    5,482.40x = 26,382,399.64
  5. Step 5: Solve for x
    x = 26,382,399.64/5,482.40
  6. Step 6: Final answer
    x = 4,812.20

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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.