Home / 7,104.04-10,709.26-6,628.30

Finding the Fourth Proportional to 7,104.04, 10,709.26 and 6,628.30

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Solution

The fourth proportional to 7,104.04, 10,709.26 and 6,628.30 is: 9,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104.04 : 10,709.26 = 6,628.30 : x
  2. Step 2: Convert to fraction form
    7,104.04/10,709.26 = 6,628.30/x
  3. Step 3: Cross multiply
    7,104.04x = 10,709.26 × 6,628.30
  4. Step 4: Simplify right side
    7,104.04x = 70,984,188.06
  5. Step 5: Solve for x
    x = 70,984,188.06/7,104.04
  6. Step 6: Final answer
    x = 9,992.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.