Home / 7,130.28-10,695.78-2,203.29

Finding the Fourth Proportional to 7,130.28, 10,695.78 and 2,203.29

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Solution

The fourth proportional to 7,130.28, 10,695.78 and 2,203.29 is: 3,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.28 : 10,695.78 = 2,203.29 : x
  2. Step 2: Convert to fraction form
    7,130.28/10,695.78 = 2,203.29/x
  3. Step 3: Cross multiply
    7,130.28x = 10,695.78 × 2,203.29
  4. Step 4: Simplify right side
    7,130.28x = 23,565,905.12
  5. Step 5: Solve for x
    x = 23,565,905.12/7,130.28
  6. Step 6: Final answer
    x = 3,305.05

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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.