Home / 5,665.40-8,494.68-2,376.80

Finding the Fourth Proportional to 5,665.40, 8,494.68 and 2,376.80

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Solution

The fourth proportional to 5,665.40, 8,494.68 and 2,376.80 is: 3,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.40 : 8,494.68 = 2,376.80 : x
  2. Step 2: Convert to fraction form
    5,665.40/8,494.68 = 2,376.80/x
  3. Step 3: Cross multiply
    5,665.40x = 8,494.68 × 2,376.80
  4. Step 4: Simplify right side
    5,665.40x = 20,190,155.42
  5. Step 5: Solve for x
    x = 20,190,155.42/5,665.40
  6. Step 6: Final answer
    x = 3,563.77

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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.