Home / 5,281.34-7,923.76-1,771.69

Finding the Fourth Proportional to 5,281.34, 7,923.76 and 1,771.69

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Solution

The fourth proportional to 5,281.34, 7,923.76 and 1,771.69 is: 2,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.34 : 7,923.76 = 1,771.69 : x
  2. Step 2: Convert to fraction form
    5,281.34/7,923.76 = 1,771.69/x
  3. Step 3: Cross multiply
    5,281.34x = 7,923.76 × 1,771.69
  4. Step 4: Simplify right side
    5,281.34x = 14,038,422.12
  5. Step 5: Solve for x
    x = 14,038,422.12/5,281.34
  6. Step 6: Final answer
    x = 2,658.12

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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.