Home / 7,377.37-10,180.63-4,020.21

Finding the Fourth Proportional to 7,377.37, 10,180.63 and 4,020.21

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Solution

The fourth proportional to 7,377.37, 10,180.63 and 4,020.21 is: 5,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.37 : 10,180.63 = 4,020.21 : x
  2. Step 2: Convert to fraction form
    7,377.37/10,180.63 = 4,020.21/x
  3. Step 3: Cross multiply
    7,377.37x = 10,180.63 × 4,020.21
  4. Step 4: Simplify right side
    7,377.37x = 40,928,237.38
  5. Step 5: Solve for x
    x = 40,928,237.38/7,377.37
  6. Step 6: Final answer
    x = 5,547.81

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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.