Home / 4,887.58-7,331.75-1,965.91

Finding the Fourth Proportional to 4,887.58, 7,331.75 and 1,965.91

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Solution

The fourth proportional to 4,887.58, 7,331.75 and 1,965.91 is: 2,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.58 : 7,331.75 = 1,965.91 : x
  2. Step 2: Convert to fraction form
    4,887.58/7,331.75 = 1,965.91/x
  3. Step 3: Cross multiply
    4,887.58x = 7,331.75 × 1,965.91
  4. Step 4: Simplify right side
    4,887.58x = 14,413,560.64
  5. Step 5: Solve for x
    x = 14,413,560.64/4,887.58
  6. Step 6: Final answer
    x = 2,949.02

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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.