Home / 9,309.72-13,966.81-2,735.76

Finding the Fourth Proportional to 9,309.72, 13,966.81 and 2,735.76

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Solution

The fourth proportional to 9,309.72, 13,966.81 and 2,735.76 is: 4,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.72 : 13,966.81 = 2,735.76 : x
  2. Step 2: Convert to fraction form
    9,309.72/13,966.81 = 2,735.76/x
  3. Step 3: Cross multiply
    9,309.72x = 13,966.81 × 2,735.76
  4. Step 4: Simplify right side
    9,309.72x = 38,209,840.13
  5. Step 5: Solve for x
    x = 38,209,840.13/9,309.72
  6. Step 6: Final answer
    x = 4,104.30

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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.