Home / 5,577.06-8,365.64-1,680.96

Finding the Fourth Proportional to 5,577.06, 8,365.64 and 1,680.96

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Solution

The fourth proportional to 5,577.06, 8,365.64 and 1,680.96 is: 2,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.06 : 8,365.64 = 1,680.96 : x
  2. Step 2: Convert to fraction form
    5,577.06/8,365.64 = 1,680.96/x
  3. Step 3: Cross multiply
    5,577.06x = 8,365.64 × 1,680.96
  4. Step 4: Simplify right side
    5,577.06x = 14,062,306.21
  5. Step 5: Solve for x
    x = 14,062,306.21/5,577.06
  6. Step 6: Final answer
    x = 2,521.46

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1.5x scale

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.