Home / 6,989.13-10,485.52-2,606.63

Finding the Fourth Proportional to 6,989.13, 10,485.52 and 2,606.63

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Solution

The fourth proportional to 6,989.13, 10,485.52 and 2,606.63 is: 3,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.13 : 10,485.52 = 2,606.63 : x
  2. Step 2: Convert to fraction form
    6,989.13/10,485.52 = 2,606.63/x
  3. Step 3: Cross multiply
    6,989.13x = 10,485.52 × 2,606.63
  4. Step 4: Simplify right side
    6,989.13x = 27,331,812.05
  5. Step 5: Solve for x
    x = 27,331,812.05/6,989.13
  6. Step 6: Final answer
    x = 3,910.62

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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.