Home / 4,823.04-6,646.88-3,936

Finding the Fourth Proportional to 4,823.04, 6,646.88 and 3,936

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Solution

The fourth proportional to 4,823.04, 6,646.88 and 3,936 is: 5,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.04 : 6,646.88 = 3,936 : x
  2. Step 2: Convert to fraction form
    4,823.04/6,646.88 = 3,936/x
  3. Step 3: Cross multiply
    4,823.04x = 6,646.88 × 3,936
  4. Step 4: Simplify right side
    4,823.04x = 26,162,119.68
  5. Step 5: Solve for x
    x = 26,162,119.68/4,823.04
  6. Step 6: Final answer
    x = 5,424.40

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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.