Home / 6,088.60-9,138.30-5,213.80

Finding the Fourth Proportional to 6,088.60, 9,138.30 and 5,213.80

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Solution

The fourth proportional to 6,088.60, 9,138.30 and 5,213.80 is: 7,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,088.60 : 9,138.30 = 5,213.80 : x
  2. Step 2: Convert to fraction form
    6,088.60/9,138.30 = 5,213.80/x
  3. Step 3: Cross multiply
    6,088.60x = 9,138.30 × 5,213.80
  4. Step 4: Simplify right side
    6,088.60x = 47,645,268.54
  5. Step 5: Solve for x
    x = 47,645,268.54/6,088.60
  6. Step 6: Final answer
    x = 7,825.32

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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.