Home / 5,740.10-8,612.70-3,659.60

Finding the Fourth Proportional to 5,740.10, 8,612.70 and 3,659.60

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Solution

The fourth proportional to 5,740.10, 8,612.70 and 3,659.60 is: 5,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.10 : 8,612.70 = 3,659.60 : x
  2. Step 2: Convert to fraction form
    5,740.10/8,612.70 = 3,659.60/x
  3. Step 3: Cross multiply
    5,740.10x = 8,612.70 × 3,659.60
  4. Step 4: Simplify right side
    5,740.10x = 31,519,036.92
  5. Step 5: Solve for x
    x = 31,519,036.92/5,740.10
  6. Step 6: Final answer
    x = 5,491.03

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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.