Home / 5,159.02-7,732.03-2,814.15

Finding the Fourth Proportional to 5,159.02, 7,732.03 and 2,814.15

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Solution

The fourth proportional to 5,159.02, 7,732.03 and 2,814.15 is: 4,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.02 : 7,732.03 = 2,814.15 : x
  2. Step 2: Convert to fraction form
    5,159.02/7,732.03 = 2,814.15/x
  3. Step 3: Cross multiply
    5,159.02x = 7,732.03 × 2,814.15
  4. Step 4: Simplify right side
    5,159.02x = 21,759,092.22
  5. Step 5: Solve for x
    x = 21,759,092.22/5,159.02
  6. Step 6: Final answer
    x = 4,217.68

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1.5x scale

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.