Home / 7,837.80-10,816.47-4,301.25

Finding the Fourth Proportional to 7,837.80, 10,816.47 and 4,301.25

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Solution

The fourth proportional to 7,837.80, 10,816.47 and 4,301.25 is: 5,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.80 : 10,816.47 = 4,301.25 : x
  2. Step 2: Convert to fraction form
    7,837.80/10,816.47 = 4,301.25/x
  3. Step 3: Cross multiply
    7,837.80x = 10,816.47 × 4,301.25
  4. Step 4: Simplify right side
    7,837.80x = 46,524,341.59
  5. Step 5: Solve for x
    x = 46,524,341.59/7,837.80
  6. Step 6: Final answer
    x = 5,935.89

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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.