Home / 7,014.45-10,520.86-2,083.58

Finding the Fourth Proportional to 7,014.45, 10,520.86 and 2,083.58

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Solution

The fourth proportional to 7,014.45, 10,520.86 and 2,083.58 is: 3,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.45 : 10,520.86 = 2,083.58 : x
  2. Step 2: Convert to fraction form
    7,014.45/10,520.86 = 2,083.58/x
  3. Step 3: Cross multiply
    7,014.45x = 10,520.86 × 2,083.58
  4. Step 4: Simplify right side
    7,014.45x = 21,921,053.48
  5. Step 5: Solve for x
    x = 21,921,053.48/7,014.45
  6. Step 6: Final answer
    x = 3,125.13

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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.