Home / 5,317.72-7,977.80-2,030.74

Finding the Fourth Proportional to 5,317.72, 7,977.80 and 2,030.74

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Solution

The fourth proportional to 5,317.72, 7,977.80 and 2,030.74 is: 3,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.72 : 7,977.80 = 2,030.74 : x
  2. Step 2: Convert to fraction form
    5,317.72/7,977.80 = 2,030.74/x
  3. Step 3: Cross multiply
    5,317.72x = 7,977.80 × 2,030.74
  4. Step 4: Simplify right side
    5,317.72x = 16,200,837.57
  5. Step 5: Solve for x
    x = 16,200,837.57/5,317.72
  6. Step 6: Final answer
    x = 3,046.58

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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.