Home / 7,005.11-10,507.86-3,309.08

Finding the Fourth Proportional to 7,005.11, 10,507.86 and 3,309.08

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Solution

The fourth proportional to 7,005.11, 10,507.86 and 3,309.08 is: 4,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.11 : 10,507.86 = 3,309.08 : x
  2. Step 2: Convert to fraction form
    7,005.11/10,507.86 = 3,309.08/x
  3. Step 3: Cross multiply
    7,005.11x = 10,507.86 × 3,309.08
  4. Step 4: Simplify right side
    7,005.11x = 34,771,296.83
  5. Step 5: Solve for x
    x = 34,771,296.83/7,005.11
  6. Step 6: Final answer
    x = 4,963.71

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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.