Home / 5,567.48-7,680.44-3,679.80

Finding the Fourth Proportional to 5,567.48, 7,680.44 and 3,679.80

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Solution

The fourth proportional to 5,567.48, 7,680.44 and 3,679.80 is: 5,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.48 : 7,680.44 = 3,679.80 : x
  2. Step 2: Convert to fraction form
    5,567.48/7,680.44 = 3,679.80/x
  3. Step 3: Cross multiply
    5,567.48x = 7,680.44 × 3,679.80
  4. Step 4: Simplify right side
    5,567.48x = 28,262,483.11
  5. Step 5: Solve for x
    x = 28,262,483.11/5,567.48
  6. Step 6: Final answer
    x = 5,076.35

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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.