Home / 7,377.29-10,180.33-4,190.57

Finding the Fourth Proportional to 7,377.29, 10,180.33 and 4,190.57

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Solution

The fourth proportional to 7,377.29, 10,180.33 and 4,190.57 is: 5,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.29 : 10,180.33 = 4,190.57 : x
  2. Step 2: Convert to fraction form
    7,377.29/10,180.33 = 4,190.57/x
  3. Step 3: Cross multiply
    7,377.29x = 10,180.33 × 4,190.57
  4. Step 4: Simplify right side
    7,377.29x = 42,661,428.81
  5. Step 5: Solve for x
    x = 42,661,428.81/7,377.29
  6. Step 6: Final answer
    x = 5,782.81

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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.