Home / 5,587.23-8,382.68-2,812.58

Finding the Fourth Proportional to 5,587.23, 8,382.68 and 2,812.58

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Solution

The fourth proportional to 5,587.23, 8,382.68 and 2,812.58 is: 4,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.23 : 8,382.68 = 2,812.58 : x
  2. Step 2: Convert to fraction form
    5,587.23/8,382.68 = 2,812.58/x
  3. Step 3: Cross multiply
    5,587.23x = 8,382.68 × 2,812.58
  4. Step 4: Simplify right side
    5,587.23x = 23,576,958.11
  5. Step 5: Solve for x
    x = 23,576,958.11/5,587.23
  6. Step 6: Final answer
    x = 4,219.79

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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.