Home / 5,384.40-7,427.36-3,364.30

Finding the Fourth Proportional to 5,384.40, 7,427.36 and 3,364.30

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Solution

The fourth proportional to 5,384.40, 7,427.36 and 3,364.30 is: 4,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.40 : 7,427.36 = 3,364.30 : x
  2. Step 2: Convert to fraction form
    5,384.40/7,427.36 = 3,364.30/x
  3. Step 3: Cross multiply
    5,384.40x = 7,427.36 × 3,364.30
  4. Step 4: Simplify right side
    5,384.40x = 24,987,884.94
  5. Step 5: Solve for x
    x = 24,987,884.94/5,384.40
  6. Step 6: Final answer
    x = 4,640.80

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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.