Home / 7,428.93-11,143.10-1,882.47

Finding the Fourth Proportional to 7,428.93, 11,143.10 and 1,882.47

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Solution

The fourth proportional to 7,428.93, 11,143.10 and 1,882.47 is: 2,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.93 : 11,143.10 = 1,882.47 : x
  2. Step 2: Convert to fraction form
    7,428.93/11,143.10 = 1,882.47/x
  3. Step 3: Cross multiply
    7,428.93x = 11,143.10 × 1,882.47
  4. Step 4: Simplify right side
    7,428.93x = 20,976,551.46
  5. Step 5: Solve for x
    x = 20,976,551.46/7,428.93
  6. Step 6: Final answer
    x = 2,823.63

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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.