Home / 7,883.54-10,877.36-4,479.80

Finding the Fourth Proportional to 7,883.54, 10,877.36 and 4,479.80

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Solution

The fourth proportional to 7,883.54, 10,877.36 and 4,479.80 is: 6,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.54 : 10,877.36 = 4,479.80 : x
  2. Step 2: Convert to fraction form
    7,883.54/10,877.36 = 4,479.80/x
  3. Step 3: Cross multiply
    7,883.54x = 10,877.36 × 4,479.80
  4. Step 4: Simplify right side
    7,883.54x = 48,728,354.14
  5. Step 5: Solve for x
    x = 48,728,354.14/7,883.54
  6. Step 6: Final answer
    x = 6,181.02

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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.