Home / 5,710.80-8,564.98-1,814.29

Finding the Fourth Proportional to 5,710.80, 8,564.98 and 1,814.29

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Solution

The fourth proportional to 5,710.80, 8,564.98 and 1,814.29 is: 2,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.80 : 8,564.98 = 1,814.29 : x
  2. Step 2: Convert to fraction form
    5,710.80/8,564.98 = 1,814.29/x
  3. Step 3: Cross multiply
    5,710.80x = 8,564.98 × 1,814.29
  4. Step 4: Simplify right side
    5,710.80x = 15,539,357.56
  5. Step 5: Solve for x
    x = 15,539,357.56/5,710.80
  6. Step 6: Final answer
    x = 2,721.05

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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.