Home / 6,601.29-9,090.58-6,179.18

Finding the Fourth Proportional to 6,601.29, 9,090.58 and 6,179.18

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Solution

The fourth proportional to 6,601.29, 9,090.58 and 6,179.18 is: 8,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.29 : 9,090.58 = 6,179.18 : x
  2. Step 2: Convert to fraction form
    6,601.29/9,090.58 = 6,179.18/x
  3. Step 3: Cross multiply
    6,601.29x = 9,090.58 × 6,179.18
  4. Step 4: Simplify right side
    6,601.29x = 56,172,331.94
  5. Step 5: Solve for x
    x = 56,172,331.94/6,601.29
  6. Step 6: Final answer
    x = 8,509.30

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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.