Home / 8,177.58-11,285.31-4,640.46

Finding the Fourth Proportional to 8,177.58, 11,285.31 and 4,640.46

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Solution

The fourth proportional to 8,177.58, 11,285.31 and 4,640.46 is: 6,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.58 : 11,285.31 = 4,640.46 : x
  2. Step 2: Convert to fraction form
    8,177.58/11,285.31 = 4,640.46/x
  3. Step 3: Cross multiply
    8,177.58x = 11,285.31 × 4,640.46
  4. Step 4: Simplify right side
    8,177.58x = 52,369,029.64
  5. Step 5: Solve for x
    x = 52,369,029.64/8,177.58
  6. Step 6: Final answer
    x = 6,403.98

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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.