Home / 8,372.70-12,555.41-4,210.11

Finding the Fourth Proportional to 8,372.70, 12,555.41 and 4,210.11

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Solution

The fourth proportional to 8,372.70, 12,555.41 and 4,210.11 is: 6,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.70 : 12,555.41 = 4,210.11 : x
  2. Step 2: Convert to fraction form
    8,372.70/12,555.41 = 4,210.11/x
  3. Step 3: Cross multiply
    8,372.70x = 12,555.41 × 4,210.11
  4. Step 4: Simplify right side
    8,372.70x = 52,859,636.14
  5. Step 5: Solve for x
    x = 52,859,636.14/8,372.70
  6. Step 6: Final answer
    x = 6,313.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.