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Finding the Fourth Proportional to 7,007.64, 10,504.12 and 2,623.20

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Solution

The fourth proportional to 7,007.64, 10,504.12 and 2,623.20 is: 3,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.64 : 10,504.12 = 2,623.20 : x
  2. Step 2: Convert to fraction form
    7,007.64/10,504.12 = 2,623.20/x
  3. Step 3: Cross multiply
    7,007.64x = 10,504.12 × 2,623.20
  4. Step 4: Simplify right side
    7,007.64x = 27,554,407.58
  5. Step 5: Solve for x
    x = 27,554,407.58/7,007.64
  6. Step 6: Final answer
    x = 3,932.05

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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.