Home / 9,285.30-13,932.99-4,090.50

Finding the Fourth Proportional to 9,285.30, 13,932.99 and 4,090.50

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Solution

The fourth proportional to 9,285.30, 13,932.99 and 4,090.50 is: 6,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.30 : 13,932.99 = 4,090.50 : x
  2. Step 2: Convert to fraction form
    9,285.30/13,932.99 = 4,090.50/x
  3. Step 3: Cross multiply
    9,285.30x = 13,932.99 × 4,090.50
  4. Step 4: Simplify right side
    9,285.30x = 56,992,895.60
  5. Step 5: Solve for x
    x = 56,992,895.60/9,285.30
  6. Step 6: Final answer
    x = 6,137.97

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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.