Home / 7,545.51-11,323.46-3,390.19

Finding the Fourth Proportional to 7,545.51, 11,323.46 and 3,390.19

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Solution

The fourth proportional to 7,545.51, 11,323.46 and 3,390.19 is: 5,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.51 : 11,323.46 = 3,390.19 : x
  2. Step 2: Convert to fraction form
    7,545.51/11,323.46 = 3,390.19/x
  3. Step 3: Cross multiply
    7,545.51x = 11,323.46 × 3,390.19
  4. Step 4: Simplify right side
    7,545.51x = 38,388,661.02
  5. Step 5: Solve for x
    x = 38,388,661.02/7,545.51
  6. Step 6: Final answer
    x = 5,087.62

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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.