Home / 5,051.20-7,557-3,323.20

Finding the Fourth Proportional to 5,051.20, 7,557 and 3,323.20

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Solution

The fourth proportional to 5,051.20, 7,557 and 3,323.20 is: 4,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.20 : 7,557 = 3,323.20 : x
  2. Step 2: Convert to fraction form
    5,051.20/7,557 = 3,323.20/x
  3. Step 3: Cross multiply
    5,051.20x = 7,557 × 3,323.20
  4. Step 4: Simplify right side
    5,051.20x = 25,113,422.40
  5. Step 5: Solve for x
    x = 25,113,422.40/5,051.20
  6. Step 6: Final answer
    x = 4,971.77

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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.