Home / 6,605.13-9,115.14-3,953.05

Finding the Fourth Proportional to 6,605.13, 9,115.14 and 3,953.05

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Solution

The fourth proportional to 6,605.13, 9,115.14 and 3,953.05 is: 5,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.13 : 9,115.14 = 3,953.05 : x
  2. Step 2: Convert to fraction form
    6,605.13/9,115.14 = 3,953.05/x
  3. Step 3: Cross multiply
    6,605.13x = 9,115.14 × 3,953.05
  4. Step 4: Simplify right side
    6,605.13x = 36,032,604.18
  5. Step 5: Solve for x
    x = 36,032,604.18/6,605.13
  6. Step 6: Final answer
    x = 5,455.25

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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.