Home / 4,617.12-6,369.72-3,220.68

Finding the Fourth Proportional to 4,617.12, 6,369.72 and 3,220.68

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Solution

The fourth proportional to 4,617.12, 6,369.72 and 3,220.68 is: 4,443.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,617.12 : 6,369.72 = 3,220.68 : x
  2. Step 2: Convert to fraction form
    4,617.12/6,369.72 = 3,220.68/x
  3. Step 3: Cross multiply
    4,617.12x = 6,369.72 × 3,220.68
  4. Step 4: Simplify right side
    4,617.12x = 20,514,829.81
  5. Step 5: Solve for x
    x = 20,514,829.81/4,617.12
  6. Step 6: Final answer
    x = 4,443.21

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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.