Home / 7,900.39-10,902.56-4,363.61

Finding the Fourth Proportional to 7,900.39, 10,902.56 and 4,363.61

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Solution

The fourth proportional to 7,900.39, 10,902.56 and 4,363.61 is: 6,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.39 : 10,902.56 = 4,363.61 : x
  2. Step 2: Convert to fraction form
    7,900.39/10,902.56 = 4,363.61/x
  3. Step 3: Cross multiply
    7,900.39x = 10,902.56 × 4,363.61
  4. Step 4: Simplify right side
    7,900.39x = 47,574,519.84
  5. Step 5: Solve for x
    x = 47,574,519.84/7,900.39
  6. Step 6: Final answer
    x = 6,021.79

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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.