Home / 7,030.80-10,536.48-6,820.56

Finding the Fourth Proportional to 7,030.80, 10,536.48 and 6,820.56

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Solution

The fourth proportional to 7,030.80, 10,536.48 and 6,820.56 is: 10,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.80 : 10,536.48 = 6,820.56 : x
  2. Step 2: Convert to fraction form
    7,030.80/10,536.48 = 6,820.56/x
  3. Step 3: Cross multiply
    7,030.80x = 10,536.48 × 6,820.56
  4. Step 4: Simplify right side
    7,030.80x = 71,864,694.03
  5. Step 5: Solve for x
    x = 71,864,694.03/7,030.80
  6. Step 6: Final answer
    x = 10,221.41

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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.