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Finding the Fourth Proportional to 5,804.14, 8,707.29 and 1,911.28

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Solution

The fourth proportional to 5,804.14, 8,707.29 and 1,911.28 is: 2,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.14 : 8,707.29 = 1,911.28 : x
  2. Step 2: Convert to fraction form
    5,804.14/8,707.29 = 1,911.28/x
  3. Step 3: Cross multiply
    5,804.14x = 8,707.29 × 1,911.28
  4. Step 4: Simplify right side
    5,804.14x = 16,642,069.23
  5. Step 5: Solve for x
    x = 16,642,069.23/5,804.14
  6. Step 6: Final answer
    x = 2,867.28

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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.