Home / 7,345.89-11,020.05-3,448.17

Finding the Fourth Proportional to 7,345.89, 11,020.05 and 3,448.17

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Solution

The fourth proportional to 7,345.89, 11,020.05 and 3,448.17 is: 5,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.89 : 11,020.05 = 3,448.17 : x
  2. Step 2: Convert to fraction form
    7,345.89/11,020.05 = 3,448.17/x
  3. Step 3: Cross multiply
    7,345.89x = 11,020.05 × 3,448.17
  4. Step 4: Simplify right side
    7,345.89x = 37,999,005.81
  5. Step 5: Solve for x
    x = 37,999,005.81/7,345.89
  6. Step 6: Final answer
    x = 5,172.83

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1.5x scale

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.