Home / 6,746.15-10,119.24-2,129.15

Finding the Fourth Proportional to 6,746.15, 10,119.24 and 2,129.15

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Solution

The fourth proportional to 6,746.15, 10,119.24 and 2,129.15 is: 3,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.15 : 10,119.24 = 2,129.15 : x
  2. Step 2: Convert to fraction form
    6,746.15/10,119.24 = 2,129.15/x
  3. Step 3: Cross multiply
    6,746.15x = 10,119.24 × 2,129.15
  4. Step 4: Simplify right side
    6,746.15x = 21,545,329.25
  5. Step 5: Solve for x
    x = 21,545,329.25/6,746.15
  6. Step 6: Final answer
    x = 3,193.72

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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.