Home / 7,013.46-10,518.96-1,819.33

Finding the Fourth Proportional to 7,013.46, 10,518.96 and 1,819.33

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Solution

The fourth proportional to 7,013.46, 10,518.96 and 1,819.33 is: 2,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.46 : 10,518.96 = 1,819.33 : x
  2. Step 2: Convert to fraction form
    7,013.46/10,518.96 = 1,819.33/x
  3. Step 3: Cross multiply
    7,013.46x = 10,518.96 × 1,819.33
  4. Step 4: Simplify right side
    7,013.46x = 19,137,459.50
  5. Step 5: Solve for x
    x = 19,137,459.50/7,013.46
  6. Step 6: Final answer
    x = 2,728.68

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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.