Home / 7,209.70-10,826.90-4,452.68

Finding the Fourth Proportional to 7,209.70, 10,826.90 and 4,452.68

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Solution

The fourth proportional to 7,209.70, 10,826.90 and 4,452.68 is: 6,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.70 : 10,826.90 = 4,452.68 : x
  2. Step 2: Convert to fraction form
    7,209.70/10,826.90 = 4,452.68/x
  3. Step 3: Cross multiply
    7,209.70x = 10,826.90 × 4,452.68
  4. Step 4: Simplify right side
    7,209.70x = 48,208,721.09
  5. Step 5: Solve for x
    x = 48,208,721.09/7,209.70
  6. Step 6: Final answer
    x = 6,686.65

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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.