Home / 7,112.18-10,666.38-4,329.22

Finding the Fourth Proportional to 7,112.18, 10,666.38 and 4,329.22

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Solution

The fourth proportional to 7,112.18, 10,666.38 and 4,329.22 is: 6,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.18 : 10,666.38 = 4,329.22 : x
  2. Step 2: Convert to fraction form
    7,112.18/10,666.38 = 4,329.22/x
  3. Step 3: Cross multiply
    7,112.18x = 10,666.38 × 4,329.22
  4. Step 4: Simplify right side
    7,112.18x = 46,177,105.62
  5. Step 5: Solve for x
    x = 46,177,105.62/7,112.18
  6. Step 6: Final answer
    x = 6,492.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.