Home / 5,270.69-7,905.75-1,572.95

Finding the Fourth Proportional to 5,270.69, 7,905.75 and 1,572.95

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Solution

The fourth proportional to 5,270.69, 7,905.75 and 1,572.95 is: 2,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.69 : 7,905.75 = 1,572.95 : x
  2. Step 2: Convert to fraction form
    5,270.69/7,905.75 = 1,572.95/x
  3. Step 3: Cross multiply
    5,270.69x = 7,905.75 × 1,572.95
  4. Step 4: Simplify right side
    5,270.69x = 12,435,309.93
  5. Step 5: Solve for x
    x = 12,435,309.93/5,270.69
  6. Step 6: Final answer
    x = 2,359.33

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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.