Home / 7,883.20-10,878.32-4,346.44

Finding the Fourth Proportional to 7,883.20, 10,878.32 and 4,346.44

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Solution

The fourth proportional to 7,883.20, 10,878.32 and 4,346.44 is: 5,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883.20 : 10,878.32 = 4,346.44 : x
  2. Step 2: Convert to fraction form
    7,883.20/10,878.32 = 4,346.44/x
  3. Step 3: Cross multiply
    7,883.20x = 10,878.32 × 4,346.44
  4. Step 4: Simplify right side
    7,883.20x = 47,281,965.18
  5. Step 5: Solve for x
    x = 47,281,965.18/7,883.20
  6. Step 6: Final answer
    x = 5,997.81

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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.