Home / 7,838.74-10,817.55-4,301.88

Finding the Fourth Proportional to 7,838.74, 10,817.55 and 4,301.88

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Solution

The fourth proportional to 7,838.74, 10,817.55 and 4,301.88 is: 5,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.74 : 10,817.55 = 4,301.88 : x
  2. Step 2: Convert to fraction form
    7,838.74/10,817.55 = 4,301.88/x
  3. Step 3: Cross multiply
    7,838.74x = 10,817.55 × 4,301.88
  4. Step 4: Simplify right side
    7,838.74x = 46,535,761.43
  5. Step 5: Solve for x
    x = 46,535,761.43/7,838.74
  6. Step 6: Final answer
    x = 5,936.64

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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.