Home / 7,005.06-10,507.21-2,622.15

Finding the Fourth Proportional to 7,005.06, 10,507.21 and 2,622.15

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Solution

The fourth proportional to 7,005.06, 10,507.21 and 2,622.15 is: 3,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.06 : 10,507.21 = 2,622.15 : x
  2. Step 2: Convert to fraction form
    7,005.06/10,507.21 = 2,622.15/x
  3. Step 3: Cross multiply
    7,005.06x = 10,507.21 × 2,622.15
  4. Step 4: Simplify right side
    7,005.06x = 27,551,480.70
  5. Step 5: Solve for x
    x = 27,551,480.70/7,005.06
  6. Step 6: Final answer
    x = 3,933.08

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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.