Home / 7,382.79-11,066.85-4,088.88

Finding the Fourth Proportional to 7,382.79, 11,066.85 and 4,088.88

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Solution

The fourth proportional to 7,382.79, 11,066.85 and 4,088.88 is: 6,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.79 : 11,066.85 = 4,088.88 : x
  2. Step 2: Convert to fraction form
    7,382.79/11,066.85 = 4,088.88/x
  3. Step 3: Cross multiply
    7,382.79x = 11,066.85 × 4,088.88
  4. Step 4: Simplify right side
    7,382.79x = 45,251,021.63
  5. Step 5: Solve for x
    x = 45,251,021.63/7,382.79
  6. Step 6: Final answer
    x = 6,129.26

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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.