Home / 5,314.32-7,972.56-1,852.56

Finding the Fourth Proportional to 5,314.32, 7,972.56 and 1,852.56

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Solution

The fourth proportional to 5,314.32, 7,972.56 and 1,852.56 is: 2,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.32 : 7,972.56 = 1,852.56 : x
  2. Step 2: Convert to fraction form
    5,314.32/7,972.56 = 1,852.56/x
  3. Step 3: Cross multiply
    5,314.32x = 7,972.56 × 1,852.56
  4. Step 4: Simplify right side
    5,314.32x = 14,769,645.75
  5. Step 5: Solve for x
    x = 14,769,645.75/5,314.32
  6. Step 6: Final answer
    x = 2,779.22

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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.