Home / 5,317.66-7,977.65-2,031.69

Finding the Fourth Proportional to 5,317.66, 7,977.65 and 2,031.69

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Solution

The fourth proportional to 5,317.66, 7,977.65 and 2,031.69 is: 3,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.66 : 7,977.65 = 2,031.69 : x
  2. Step 2: Convert to fraction form
    5,317.66/7,977.65 = 2,031.69/x
  3. Step 3: Cross multiply
    5,317.66x = 7,977.65 × 2,031.69
  4. Step 4: Simplify right side
    5,317.66x = 16,208,101.57
  5. Step 5: Solve for x
    x = 16,208,101.57/5,317.66
  6. Step 6: Final answer
    x = 3,047.98

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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.