Home / 5,095.91-7,639.53-2,321.61

Finding the Fourth Proportional to 5,095.91, 7,639.53 and 2,321.61

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Solution

The fourth proportional to 5,095.91, 7,639.53 and 2,321.61 is: 3,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.91 : 7,639.53 = 2,321.61 : x
  2. Step 2: Convert to fraction form
    5,095.91/7,639.53 = 2,321.61/x
  3. Step 3: Cross multiply
    5,095.91x = 7,639.53 × 2,321.61
  4. Step 4: Simplify right side
    5,095.91x = 17,736,009.24
  5. Step 5: Solve for x
    x = 17,736,009.24/5,095.91
  6. Step 6: Final answer
    x = 3,480.44

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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.