Home / 8,219.22-12,309.06-4,698.56

Finding the Fourth Proportional to 8,219.22, 12,309.06 and 4,698.56

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Solution

The fourth proportional to 8,219.22, 12,309.06 and 4,698.56 is: 7,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.22 : 12,309.06 = 4,698.56 : x
  2. Step 2: Convert to fraction form
    8,219.22/12,309.06 = 4,698.56/x
  3. Step 3: Cross multiply
    8,219.22x = 12,309.06 × 4,698.56
  4. Step 4: Simplify right side
    8,219.22x = 57,834,836.11
  5. Step 5: Solve for x
    x = 57,834,836.11/8,219.22
  6. Step 6: Final answer
    x = 7,036.53

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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.