Home / 5,409.29-8,114.01-1,899.16

Finding the Fourth Proportional to 5,409.29, 8,114.01 and 1,899.16

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Solution

The fourth proportional to 5,409.29, 8,114.01 and 1,899.16 is: 2,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.29 : 8,114.01 = 1,899.16 : x
  2. Step 2: Convert to fraction form
    5,409.29/8,114.01 = 1,899.16/x
  3. Step 3: Cross multiply
    5,409.29x = 8,114.01 × 1,899.16
  4. Step 4: Simplify right side
    5,409.29x = 15,409,753.17
  5. Step 5: Solve for x
    x = 15,409,753.17/5,409.29
  6. Step 6: Final answer
    x = 2,848.76

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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.