Home / 7,838.47-10,817.26-4,301.68

Finding the Fourth Proportional to 7,838.47, 10,817.26 and 4,301.68

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Solution

The fourth proportional to 7,838.47, 10,817.26 and 4,301.68 is: 5,936.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.47 : 10,817.26 = 4,301.68 : x
  2. Step 2: Convert to fraction form
    7,838.47/10,817.26 = 4,301.68/x
  3. Step 3: Cross multiply
    7,838.47x = 10,817.26 × 4,301.68
  4. Step 4: Simplify right side
    7,838.47x = 46,532,391.00
  5. Step 5: Solve for x
    x = 46,532,391.00/7,838.47
  6. Step 6: Final answer
    x = 5,936.41

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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.