Home / 5,397.80-8,095.79-1,887.66

Finding the Fourth Proportional to 5,397.80, 8,095.79 and 1,887.66

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Solution

The fourth proportional to 5,397.80, 8,095.79 and 1,887.66 is: 2,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.80 : 8,095.79 = 1,887.66 : x
  2. Step 2: Convert to fraction form
    5,397.80/8,095.79 = 1,887.66/x
  3. Step 3: Cross multiply
    5,397.80x = 8,095.79 × 1,887.66
  4. Step 4: Simplify right side
    5,397.80x = 15,282,109.75
  5. Step 5: Solve for x
    x = 15,282,109.75/5,397.80
  6. Step 6: Final answer
    x = 2,831.18

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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.