Home / 7,887.20-10,883.86-4,350.44

Finding the Fourth Proportional to 7,887.20, 10,883.86 and 4,350.44

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Solution

The fourth proportional to 7,887.20, 10,883.86 and 4,350.44 is: 6,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.20 : 10,883.86 = 4,350.44 : x
  2. Step 2: Convert to fraction form
    7,887.20/10,883.86 = 4,350.44/x
  3. Step 3: Cross multiply
    7,887.20x = 10,883.86 × 4,350.44
  4. Step 4: Simplify right side
    7,887.20x = 47,349,579.90
  5. Step 5: Solve for x
    x = 47,349,579.90/7,887.20
  6. Step 6: Final answer
    x = 6,003.34

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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.