Home / 5,225.84-7,838.82-1,330.24

Finding the Fourth Proportional to 5,225.84, 7,838.82 and 1,330.24

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Solution

The fourth proportional to 5,225.84, 7,838.82 and 1,330.24 is: 1,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.84 : 7,838.82 = 1,330.24 : x
  2. Step 2: Convert to fraction form
    5,225.84/7,838.82 = 1,330.24/x
  3. Step 3: Cross multiply
    5,225.84x = 7,838.82 × 1,330.24
  4. Step 4: Simplify right side
    5,225.84x = 10,427,511.92
  5. Step 5: Solve for x
    x = 10,427,511.92/5,225.84
  6. Step 6: Final answer
    x = 1,995.38

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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.