Home / 8,226.12-12,319.40-4,705.46

Finding the Fourth Proportional to 8,226.12, 12,319.40 and 4,705.46

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Solution

The fourth proportional to 8,226.12, 12,319.40 and 4,705.46 is: 7,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.12 : 12,319.40 = 4,705.46 : x
  2. Step 2: Convert to fraction form
    8,226.12/12,319.40 = 4,705.46/x
  3. Step 3: Cross multiply
    8,226.12x = 12,319.40 × 4,705.46
  4. Step 4: Simplify right side
    8,226.12x = 57,968,358.80
  5. Step 5: Solve for x
    x = 57,968,358.80/8,226.12
  6. Step 6: Final answer
    x = 7,046.87

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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.