Home / 5,627.16-8,431.52-1,927.40

Finding the Fourth Proportional to 5,627.16, 8,431.52 and 1,927.40

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Solution

The fourth proportional to 5,627.16, 8,431.52 and 1,927.40 is: 2,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.16 : 8,431.52 = 1,927.40 : x
  2. Step 2: Convert to fraction form
    5,627.16/8,431.52 = 1,927.40/x
  3. Step 3: Cross multiply
    5,627.16x = 8,431.52 × 1,927.40
  4. Step 4: Simplify right side
    5,627.16x = 16,250,859.85
  5. Step 5: Solve for x
    x = 16,250,859.85/5,627.16
  6. Step 6: Final answer
    x = 2,887.93

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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.