Home / 5,378.60-8,065.03-2,088.38

Finding the Fourth Proportional to 5,378.60, 8,065.03 and 2,088.38

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Solution

The fourth proportional to 5,378.60, 8,065.03 and 2,088.38 is: 3,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.60 : 8,065.03 = 2,088.38 : x
  2. Step 2: Convert to fraction form
    5,378.60/8,065.03 = 2,088.38/x
  3. Step 3: Cross multiply
    5,378.60x = 8,065.03 × 2,088.38
  4. Step 4: Simplify right side
    5,378.60x = 16,842,847.35
  5. Step 5: Solve for x
    x = 16,842,847.35/5,378.60
  6. Step 6: Final answer
    x = 3,131.46

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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.