Home / 7,642.36-11,463.56-2,095.79

Finding the Fourth Proportional to 7,642.36, 11,463.56 and 2,095.79

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Solution

The fourth proportional to 7,642.36, 11,463.56 and 2,095.79 is: 3,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.36 : 11,463.56 = 2,095.79 : x
  2. Step 2: Convert to fraction form
    7,642.36/11,463.56 = 2,095.79/x
  3. Step 3: Cross multiply
    7,642.36x = 11,463.56 × 2,095.79
  4. Step 4: Simplify right side
    7,642.36x = 24,025,154.47
  5. Step 5: Solve for x
    x = 24,025,154.47/7,642.36
  6. Step 6: Final answer
    x = 3,143.68

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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.