Home / 6,223.70-8,588.69-3,429.20

Finding the Fourth Proportional to 6,223.70, 8,588.69 and 3,429.20

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Solution

The fourth proportional to 6,223.70, 8,588.69 and 3,429.20 is: 4,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.70 : 8,588.69 = 3,429.20 : x
  2. Step 2: Convert to fraction form
    6,223.70/8,588.69 = 3,429.20/x
  3. Step 3: Cross multiply
    6,223.70x = 8,588.69 × 3,429.20
  4. Step 4: Simplify right side
    6,223.70x = 29,452,275.66
  5. Step 5: Solve for x
    x = 29,452,275.66/6,223.70
  6. Step 6: Final answer
    x = 4,732.28

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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.