Home / 4,813.76-6,640.98-3,239.12

Finding the Fourth Proportional to 4,813.76, 6,640.98 and 3,239.12

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Solution

The fourth proportional to 4,813.76, 6,640.98 and 3,239.12 is: 4,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.76 : 6,640.98 = 3,239.12 : x
  2. Step 2: Convert to fraction form
    4,813.76/6,640.98 = 3,239.12/x
  3. Step 3: Cross multiply
    4,813.76x = 6,640.98 × 3,239.12
  4. Step 4: Simplify right side
    4,813.76x = 21,510,931.14
  5. Step 5: Solve for x
    x = 21,510,931.14/4,813.76
  6. Step 6: Final answer
    x = 4,468.63

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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.