Home / 5,384.36-7,428.60-3,395.42

Finding the Fourth Proportional to 5,384.36, 7,428.60 and 3,395.42

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Solution

The fourth proportional to 5,384.36, 7,428.60 and 3,395.42 is: 4,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.36 : 7,428.60 = 3,395.42 : x
  2. Step 2: Convert to fraction form
    5,384.36/7,428.60 = 3,395.42/x
  3. Step 3: Cross multiply
    5,384.36x = 7,428.60 × 3,395.42
  4. Step 4: Simplify right side
    5,384.36x = 25,223,217.01
  5. Step 5: Solve for x
    x = 25,223,217.01/5,384.36
  6. Step 6: Final answer
    x = 4,684.53

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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.