Home / 5,225.36-7,838.36-2,104.88

Finding the Fourth Proportional to 5,225.36, 7,838.36 and 2,104.88

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Solution

The fourth proportional to 5,225.36, 7,838.36 and 2,104.88 is: 3,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.36 : 7,838.36 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    5,225.36/7,838.36 = 2,104.88/x
  3. Step 3: Cross multiply
    5,225.36x = 7,838.36 × 2,104.88
  4. Step 4: Simplify right side
    5,225.36x = 16,498,807.20
  5. Step 5: Solve for x
    x = 16,498,807.20/5,225.36
  6. Step 6: Final answer
    x = 3,157.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.