Home / 4,421.79-6,107.49-3,307.68

Finding the Fourth Proportional to 4,421.79, 6,107.49 and 3,307.68

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Solution

The fourth proportional to 4,421.79, 6,107.49 and 3,307.68 is: 4,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.79 : 6,107.49 = 3,307.68 : x
  2. Step 2: Convert to fraction form
    4,421.79/6,107.49 = 3,307.68/x
  3. Step 3: Cross multiply
    4,421.79x = 6,107.49 × 3,307.68
  4. Step 4: Simplify right side
    4,421.79x = 20,201,622.52
  5. Step 5: Solve for x
    x = 20,201,622.52/4,421.79
  6. Step 6: Final answer
    x = 4,568.65

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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.