Home / 7,377.40-10,180.62-4,020.28

Finding the Fourth Proportional to 7,377.40, 10,180.62 and 4,020.28

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Solution

The fourth proportional to 7,377.40, 10,180.62 and 4,020.28 is: 5,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.40 : 10,180.62 = 4,020.28 : x
  2. Step 2: Convert to fraction form
    7,377.40/10,180.62 = 4,020.28/x
  3. Step 3: Cross multiply
    7,377.40x = 10,180.62 × 4,020.28
  4. Step 4: Simplify right side
    7,377.40x = 40,928,942.97
  5. Step 5: Solve for x
    x = 40,928,942.97/7,377.40
  6. Step 6: Final answer
    x = 5,547.88

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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.