Home / 7,328.05-10,112.90-4,496.99

Finding the Fourth Proportional to 7,328.05, 10,112.90 and 4,496.99

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Solution

The fourth proportional to 7,328.05, 10,112.90 and 4,496.99 is: 6,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.05 : 10,112.90 = 4,496.99 : x
  2. Step 2: Convert to fraction form
    7,328.05/10,112.90 = 4,496.99/x
  3. Step 3: Cross multiply
    7,328.05x = 10,112.90 × 4,496.99
  4. Step 4: Simplify right side
    7,328.05x = 45,477,628.43
  5. Step 5: Solve for x
    x = 45,477,628.43/7,328.05
  6. Step 6: Final answer
    x = 6,205.96

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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.