Home / 7,005.08-10,507.84-2,621.70

Finding the Fourth Proportional to 7,005.08, 10,507.84 and 2,621.70

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Solution

The fourth proportional to 7,005.08, 10,507.84 and 2,621.70 is: 3,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.08 : 10,507.84 = 2,621.70 : x
  2. Step 2: Convert to fraction form
    7,005.08/10,507.84 = 2,621.70/x
  3. Step 3: Cross multiply
    7,005.08x = 10,507.84 × 2,621.70
  4. Step 4: Simplify right side
    7,005.08x = 27,548,404.13
  5. Step 5: Solve for x
    x = 27,548,404.13/7,005.08
  6. Step 6: Final answer
    x = 3,932.63

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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.