Home / 5,725.34-8,581.35-4,687.10

Finding the Fourth Proportional to 5,725.34, 8,581.35 and 4,687.10

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Solution

The fourth proportional to 5,725.34, 8,581.35 and 4,687.10 is: 7,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.34 : 8,581.35 = 4,687.10 : x
  2. Step 2: Convert to fraction form
    5,725.34/8,581.35 = 4,687.10/x
  3. Step 3: Cross multiply
    5,725.34x = 8,581.35 × 4,687.10
  4. Step 4: Simplify right side
    5,725.34x = 40,221,645.59
  5. Step 5: Solve for x
    x = 40,221,645.59/5,725.34
  6. Step 6: Final answer
    x = 7,025.20

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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.