Home / 5,815.70-8,720.85-2,527.10

Finding the Fourth Proportional to 5,815.70, 8,720.85 and 2,527.10

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Solution

The fourth proportional to 5,815.70, 8,720.85 and 2,527.10 is: 3,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.70 : 8,720.85 = 2,527.10 : x
  2. Step 2: Convert to fraction form
    5,815.70/8,720.85 = 2,527.10/x
  3. Step 3: Cross multiply
    5,815.70x = 8,720.85 × 2,527.10
  4. Step 4: Simplify right side
    5,815.70x = 22,038,460.04
  5. Step 5: Solve for x
    x = 22,038,460.04/5,815.70
  6. Step 6: Final answer
    x = 3,789.48

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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.