Home / 7,004.19-10,506.15-1,739.21

Finding the Fourth Proportional to 7,004.19, 10,506.15 and 1,739.21

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Solution

The fourth proportional to 7,004.19, 10,506.15 and 1,739.21 is: 2,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.19 : 10,506.15 = 1,739.21 : x
  2. Step 2: Convert to fraction form
    7,004.19/10,506.15 = 1,739.21/x
  3. Step 3: Cross multiply
    7,004.19x = 10,506.15 × 1,739.21
  4. Step 4: Simplify right side
    7,004.19x = 18,272,401.14
  5. Step 5: Solve for x
    x = 18,272,401.14/7,004.19
  6. Step 6: Final answer
    x = 2,608.78

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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.