Home / 7,545.39-11,323.28-3,390.05

Finding the Fourth Proportional to 7,545.39, 11,323.28 and 3,390.05

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Solution

The fourth proportional to 7,545.39, 11,323.28 and 3,390.05 is: 5,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.39 : 11,323.28 = 3,390.05 : x
  2. Step 2: Convert to fraction form
    7,545.39/11,323.28 = 3,390.05/x
  3. Step 3: Cross multiply
    7,545.39x = 11,323.28 × 3,390.05
  4. Step 4: Simplify right side
    7,545.39x = 38,386,485.36
  5. Step 5: Solve for x
    x = 38,386,485.36/7,545.39
  6. Step 6: Final answer
    x = 5,087.41

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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.