Home / 7,448.09-10,278.33-4,217.85

Finding the Fourth Proportional to 7,448.09, 10,278.33 and 4,217.85

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Solution

The fourth proportional to 7,448.09, 10,278.33 and 4,217.85 is: 5,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.09 : 10,278.33 = 4,217.85 : x
  2. Step 2: Convert to fraction form
    7,448.09/10,278.33 = 4,217.85/x
  3. Step 3: Cross multiply
    7,448.09x = 10,278.33 × 4,217.85
  4. Step 4: Simplify right side
    7,448.09x = 43,352,454.19
  5. Step 5: Solve for x
    x = 43,352,454.19/7,448.09
  6. Step 6: Final answer
    x = 5,820.62

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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.