Home / 5,680.13-7,838.70-3,323.63

Finding the Fourth Proportional to 5,680.13, 7,838.70 and 3,323.63

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Solution

The fourth proportional to 5,680.13, 7,838.70 and 3,323.63 is: 4,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.13 : 7,838.70 = 3,323.63 : x
  2. Step 2: Convert to fraction form
    5,680.13/7,838.70 = 3,323.63/x
  3. Step 3: Cross multiply
    5,680.13x = 7,838.70 × 3,323.63
  4. Step 4: Simplify right side
    5,680.13x = 26,052,938.48
  5. Step 5: Solve for x
    x = 26,052,938.48/5,680.13
  6. Step 6: Final answer
    x = 4,586.68

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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.