Home / 3,887.16-5,349.15-3,445.98

Finding the Fourth Proportional to 3,887.16, 5,349.15 and 3,445.98

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Solution

The fourth proportional to 3,887.16, 5,349.15 and 3,445.98 is: 4,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.16 : 5,349.15 = 3,445.98 : x
  2. Step 2: Convert to fraction form
    3,887.16/5,349.15 = 3,445.98/x
  3. Step 3: Cross multiply
    3,887.16x = 5,349.15 × 3,445.98
  4. Step 4: Simplify right side
    3,887.16x = 18,433,063.92
  5. Step 5: Solve for x
    x = 18,433,063.92/3,887.16
  6. Step 6: Final answer
    x = 4,742.04

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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.