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Finding the Fourth Proportional to 6,300.13, 9,450.17 and 1,620.13

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Solution

The fourth proportional to 6,300.13, 9,450.17 and 1,620.13 is: 2,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,300.13 : 9,450.17 = 1,620.13 : x
  2. Step 2: Convert to fraction form
    6,300.13/9,450.17 = 1,620.13/x
  3. Step 3: Cross multiply
    6,300.13x = 9,450.17 × 1,620.13
  4. Step 4: Simplify right side
    6,300.13x = 15,310,503.92
  5. Step 5: Solve for x
    x = 15,310,503.92/6,300.13
  6. Step 6: Final answer
    x = 2,430.19

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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.