Home / 7,288.93-10,929.51-2,848.11

Finding the Fourth Proportional to 7,288.93, 10,929.51 and 2,848.11

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Solution

The fourth proportional to 7,288.93, 10,929.51 and 2,848.11 is: 4,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.93 : 10,929.51 = 2,848.11 : x
  2. Step 2: Convert to fraction form
    7,288.93/10,929.51 = 2,848.11/x
  3. Step 3: Cross multiply
    7,288.93x = 10,929.51 × 2,848.11
  4. Step 4: Simplify right side
    7,288.93x = 31,128,446.73
  5. Step 5: Solve for x
    x = 31,128,446.73/7,288.93
  6. Step 6: Final answer
    x = 4,270.65

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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.