Home / 7,428.66-11,143.53-2,498.82

Finding the Fourth Proportional to 7,428.66, 11,143.53 and 2,498.82

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Solution

The fourth proportional to 7,428.66, 11,143.53 and 2,498.82 is: 3,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.66 : 11,143.53 = 2,498.82 : x
  2. Step 2: Convert to fraction form
    7,428.66/11,143.53 = 2,498.82/x
  3. Step 3: Cross multiply
    7,428.66x = 11,143.53 × 2,498.82
  4. Step 4: Simplify right side
    7,428.66x = 27,845,675.63
  5. Step 5: Solve for x
    x = 27,845,675.63/7,428.66
  6. Step 6: Final answer
    x = 3,748.41

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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.