Home / 5,438.80-7,505.76-3,343.60

Finding the Fourth Proportional to 5,438.80, 7,505.76 and 3,343.60

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Solution

The fourth proportional to 5,438.80, 7,505.76 and 3,343.60 is: 4,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.80 : 7,505.76 = 3,343.60 : x
  2. Step 2: Convert to fraction form
    5,438.80/7,505.76 = 3,343.60/x
  3. Step 3: Cross multiply
    5,438.80x = 7,505.76 × 3,343.60
  4. Step 4: Simplify right side
    5,438.80x = 25,096,259.14
  5. Step 5: Solve for x
    x = 25,096,259.14/5,438.80
  6. Step 6: Final answer
    x = 4,614.30

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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.