Home / 7,898.82-10,900.07-4,313.66

Finding the Fourth Proportional to 7,898.82, 10,900.07 and 4,313.66

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Solution

The fourth proportional to 7,898.82, 10,900.07 and 4,313.66 is: 5,952.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.82 : 10,900.07 = 4,313.66 : x
  2. Step 2: Convert to fraction form
    7,898.82/10,900.07 = 4,313.66/x
  3. Step 3: Cross multiply
    7,898.82x = 10,900.07 × 4,313.66
  4. Step 4: Simplify right side
    7,898.82x = 47,019,136.06
  5. Step 5: Solve for x
    x = 47,019,136.06/7,898.82
  6. Step 6: Final answer
    x = 5,952.68

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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.