Home / 5,453.48-8,180.28-4,084.64

Finding the Fourth Proportional to 5,453.48, 8,180.28 and 4,084.64

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Solution

The fourth proportional to 5,453.48, 8,180.28 and 4,084.64 is: 6,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.48 : 8,180.28 = 4,084.64 : x
  2. Step 2: Convert to fraction form
    5,453.48/8,180.28 = 4,084.64/x
  3. Step 3: Cross multiply
    5,453.48x = 8,180.28 × 4,084.64
  4. Step 4: Simplify right side
    5,453.48x = 33,413,498.90
  5. Step 5: Solve for x
    x = 33,413,498.90/5,453.48
  6. Step 6: Final answer
    x = 6,127.00

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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.