Home / 10,289.76-15,435.28-2,794.48

Finding the Fourth Proportional to 10,289.76, 15,435.28 and 2,794.48

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Solution

The fourth proportional to 10,289.76, 15,435.28 and 2,794.48 is: 4,191.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.76 : 15,435.28 = 2,794.48 : x
  2. Step 2: Convert to fraction form
    10,289.76/15,435.28 = 2,794.48/x
  3. Step 3: Cross multiply
    10,289.76x = 15,435.28 × 2,794.48
  4. Step 4: Simplify right side
    10,289.76x = 43,133,581.25
  5. Step 5: Solve for x
    x = 43,133,581.25/10,289.76
  6. Step 6: Final answer
    x = 4,191.89

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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.