Home / 7,754.12-11,637.93-4,429.03

Finding the Fourth Proportional to 7,754.12, 11,637.93 and 4,429.03

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Solution

The fourth proportional to 7,754.12, 11,637.93 and 4,429.03 is: 6,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,754.12 : 11,637.93 = 4,429.03 : x
  2. Step 2: Convert to fraction form
    7,754.12/11,637.93 = 4,429.03/x
  3. Step 3: Cross multiply
    7,754.12x = 11,637.93 × 4,429.03
  4. Step 4: Simplify right side
    7,754.12x = 51,544,741.11
  5. Step 5: Solve for x
    x = 51,544,741.11/7,754.12
  6. Step 6: Final answer
    x = 6,647.40

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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.