Home / 7,171.61-10,754.98-2,490.38

Finding the Fourth Proportional to 7,171.61, 10,754.98 and 2,490.38

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Solution

The fourth proportional to 7,171.61, 10,754.98 and 2,490.38 is: 3,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.61 : 10,754.98 = 2,490.38 : x
  2. Step 2: Convert to fraction form
    7,171.61/10,754.98 = 2,490.38/x
  3. Step 3: Cross multiply
    7,171.61x = 10,754.98 × 2,490.38
  4. Step 4: Simplify right side
    7,171.61x = 26,783,967.42
  5. Step 5: Solve for x
    x = 26,783,967.42/7,171.61
  6. Step 6: Final answer
    x = 3,734.72

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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.