Home / 7,217.81-10,818.31-3,056.43

Finding the Fourth Proportional to 7,217.81, 10,818.31 and 3,056.43

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Solution

The fourth proportional to 7,217.81, 10,818.31 and 3,056.43 is: 4,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.81 : 10,818.31 = 3,056.43 : x
  2. Step 2: Convert to fraction form
    7,217.81/10,818.31 = 3,056.43/x
  3. Step 3: Cross multiply
    7,217.81x = 10,818.31 × 3,056.43
  4. Step 4: Simplify right side
    7,217.81x = 33,065,407.23
  5. Step 5: Solve for x
    x = 33,065,407.23/7,217.81
  6. Step 6: Final answer
    x = 4,581.09

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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.