Home / 5,484.72-7,567.76-3,126.80

Finding the Fourth Proportional to 5,484.72, 7,567.76 and 3,126.80

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Solution

The fourth proportional to 5,484.72, 7,567.76 and 3,126.80 is: 4,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.72 : 7,567.76 = 3,126.80 : x
  2. Step 2: Convert to fraction form
    5,484.72/7,567.76 = 3,126.80/x
  3. Step 3: Cross multiply
    5,484.72x = 7,567.76 × 3,126.80
  4. Step 4: Simplify right side
    5,484.72x = 23,662,871.97
  5. Step 5: Solve for x
    x = 23,662,871.97/5,484.72
  6. Step 6: Final answer
    x = 4,314.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.