Home / 7,518.61-11,279.70-2,254.06

Finding the Fourth Proportional to 7,518.61, 11,279.70 and 2,254.06

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Solution

The fourth proportional to 7,518.61, 11,279.70 and 2,254.06 is: 3,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.61 : 11,279.70 = 2,254.06 : x
  2. Step 2: Convert to fraction form
    7,518.61/11,279.70 = 2,254.06/x
  3. Step 3: Cross multiply
    7,518.61x = 11,279.70 × 2,254.06
  4. Step 4: Simplify right side
    7,518.61x = 25,425,092.38
  5. Step 5: Solve for x
    x = 25,425,092.38/7,518.61
  6. Step 6: Final answer
    x = 3,381.62

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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.