Home / 5,273.56-7,911.15-1,810

Finding the Fourth Proportional to 5,273.56, 7,911.15 and 1,810

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Solution

The fourth proportional to 5,273.56, 7,911.15 and 1,810 is: 2,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.56 : 7,911.15 = 1,810 : x
  2. Step 2: Convert to fraction form
    5,273.56/7,911.15 = 1,810/x
  3. Step 3: Cross multiply
    5,273.56x = 7,911.15 × 1,810
  4. Step 4: Simplify right side
    5,273.56x = 14,319,181.50
  5. Step 5: Solve for x
    x = 14,319,181.50/5,273.56
  6. Step 6: Final answer
    x = 2,715.28

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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.