Home / 5,398.13-8,097.93-1,887.62

Finding the Fourth Proportional to 5,398.13, 8,097.93 and 1,887.62

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Solution

The fourth proportional to 5,398.13, 8,097.93 and 1,887.62 is: 2,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.13 : 8,097.93 = 1,887.62 : x
  2. Step 2: Convert to fraction form
    5,398.13/8,097.93 = 1,887.62/x
  3. Step 3: Cross multiply
    5,398.13x = 8,097.93 × 1,887.62
  4. Step 4: Simplify right side
    5,398.13x = 15,285,774.14
  5. Step 5: Solve for x
    x = 15,285,774.14/5,398.13
  6. Step 6: Final answer
    x = 2,831.68

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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.