Home / 8,027.52-11,077.98-4,490.78

Finding the Fourth Proportional to 8,027.52, 11,077.98 and 4,490.78

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Solution

The fourth proportional to 8,027.52, 11,077.98 and 4,490.78 is: 6,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.52 : 11,077.98 = 4,490.78 : x
  2. Step 2: Convert to fraction form
    8,027.52/11,077.98 = 4,490.78/x
  3. Step 3: Cross multiply
    8,027.52x = 11,077.98 × 4,490.78
  4. Step 4: Simplify right side
    8,027.52x = 49,748,771.02
  5. Step 5: Solve for x
    x = 49,748,771.02/8,027.52
  6. Step 6: Final answer
    x = 6,197.28

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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.