Home / 7,025.13-10,538.30-1,831

Finding the Fourth Proportional to 7,025.13, 10,538.30 and 1,831

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Solution

The fourth proportional to 7,025.13, 10,538.30 and 1,831 is: 2,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.13 : 10,538.30 = 1,831 : x
  2. Step 2: Convert to fraction form
    7,025.13/10,538.30 = 1,831/x
  3. Step 3: Cross multiply
    7,025.13x = 10,538.30 × 1,831
  4. Step 4: Simplify right side
    7,025.13x = 19,295,618.15
  5. Step 5: Solve for x
    x = 19,295,618.15/7,025.13
  6. Step 6: Final answer
    x = 2,746.66

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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.