Home / 5,680.96-7,840.89-3,323.68

Finding the Fourth Proportional to 5,680.96, 7,840.89 and 3,323.68

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Solution

The fourth proportional to 5,680.96, 7,840.89 and 3,323.68 is: 4,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.96 : 7,840.89 = 3,323.68 : x
  2. Step 2: Convert to fraction form
    5,680.96/7,840.89 = 3,323.68/x
  3. Step 3: Cross multiply
    5,680.96x = 7,840.89 × 3,323.68
  4. Step 4: Simplify right side
    5,680.96x = 26,060,609.28
  5. Step 5: Solve for x
    x = 26,060,609.28/5,680.96
  6. Step 6: Final answer
    x = 4,587.36

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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.