Home / 7,050.50-10,575.34-2,120.03

Finding the Fourth Proportional to 7,050.50, 10,575.34 and 2,120.03

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Solution

The fourth proportional to 7,050.50, 10,575.34 and 2,120.03 is: 3,179.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050.50 : 10,575.34 = 2,120.03 : x
  2. Step 2: Convert to fraction form
    7,050.50/10,575.34 = 2,120.03/x
  3. Step 3: Cross multiply
    7,050.50x = 10,575.34 × 2,120.03
  4. Step 4: Simplify right side
    7,050.50x = 22,420,038.06
  5. Step 5: Solve for x
    x = 22,420,038.06/7,050.50
  6. Step 6: Final answer
    x = 3,179.92

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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.