Home / 7,351.13-10,145.45-4,207.25

Finding the Fourth Proportional to 7,351.13, 10,145.45 and 4,207.25

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Solution

The fourth proportional to 7,351.13, 10,145.45 and 4,207.25 is: 5,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.13 : 10,145.45 = 4,207.25 : x
  2. Step 2: Convert to fraction form
    7,351.13/10,145.45 = 4,207.25/x
  3. Step 3: Cross multiply
    7,351.13x = 10,145.45 × 4,207.25
  4. Step 4: Simplify right side
    7,351.13x = 42,684,444.51
  5. Step 5: Solve for x
    x = 42,684,444.51/7,351.13
  6. Step 6: Final answer
    x = 5,806.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.