Home / 7,377.47-10,180.89-4,020.31

Finding the Fourth Proportional to 7,377.47, 10,180.89 and 4,020.31

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Solution

The fourth proportional to 7,377.47, 10,180.89 and 4,020.31 is: 5,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.47 : 10,180.89 = 4,020.31 : x
  2. Step 2: Convert to fraction form
    7,377.47/10,180.89 = 4,020.31/x
  3. Step 3: Cross multiply
    7,377.47x = 10,180.89 × 4,020.31
  4. Step 4: Simplify right side
    7,377.47x = 40,930,346.60
  5. Step 5: Solve for x
    x = 40,930,346.60/7,377.47
  6. Step 6: Final answer
    x = 5,548.02

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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.