Home / 7,331.15-10,121.58-5,649.37

Finding the Fourth Proportional to 7,331.15, 10,121.58 and 5,649.37

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Solution

The fourth proportional to 7,331.15, 10,121.58 and 5,649.37 is: 7,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.15 : 10,121.58 = 5,649.37 : x
  2. Step 2: Convert to fraction form
    7,331.15/10,121.58 = 5,649.37/x
  3. Step 3: Cross multiply
    7,331.15x = 10,121.58 × 5,649.37
  4. Step 4: Simplify right side
    7,331.15x = 57,180,550.40
  5. Step 5: Solve for x
    x = 57,180,550.40/7,331.15
  6. Step 6: Final answer
    x = 7,799.67

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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.