Home / 7,902.34-10,906.29-4,545.07

Finding the Fourth Proportional to 7,902.34, 10,906.29 and 4,545.07

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Solution

The fourth proportional to 7,902.34, 10,906.29 and 4,545.07 is: 6,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.34 : 10,906.29 = 4,545.07 : x
  2. Step 2: Convert to fraction form
    7,902.34/10,906.29 = 4,545.07/x
  3. Step 3: Cross multiply
    7,902.34x = 10,906.29 × 4,545.07
  4. Step 4: Simplify right side
    7,902.34x = 49,569,824.22
  5. Step 5: Solve for x
    x = 49,569,824.22/7,902.34
  6. Step 6: Final answer
    x = 6,272.81

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1.5x scale

Why These Related Problems?

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