Home / 5,276.48-7,911.47-1,814.00

Finding the Fourth Proportional to 5,276.48, 7,911.47 and 1,814.00

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Solution

The fourth proportional to 5,276.48, 7,911.47 and 1,814.00 is: 2,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.48 : 7,911.47 = 1,814.00 : x
  2. Step 2: Convert to fraction form
    5,276.48/7,911.47 = 1,814.00/x
  3. Step 3: Cross multiply
    5,276.48x = 7,911.47 × 1,814.00
  4. Step 4: Simplify right side
    5,276.48x = 14,351,371.56
  5. Step 5: Solve for x
    x = 14,351,371.56/5,276.48
  6. Step 6: Final answer
    x = 2,719.88

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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.