Home / 7,083.20-10,624.74-1,818.20

Finding the Fourth Proportional to 7,083.20, 10,624.74 and 1,818.20

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Solution

The fourth proportional to 7,083.20, 10,624.74 and 1,818.20 is: 2,727.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.20 : 10,624.74 = 1,818.20 : x
  2. Step 2: Convert to fraction form
    7,083.20/10,624.74 = 1,818.20/x
  3. Step 3: Cross multiply
    7,083.20x = 10,624.74 × 1,818.20
  4. Step 4: Simplify right side
    7,083.20x = 19,317,902.27
  5. Step 5: Solve for x
    x = 19,317,902.27/7,083.20
  6. Step 6: Final answer
    x = 2,727.28

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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.