Home / 7,316.97-10,097.45-3,959.80

Finding the Fourth Proportional to 7,316.97, 10,097.45 and 3,959.80

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Solution

The fourth proportional to 7,316.97, 10,097.45 and 3,959.80 is: 5,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.97 : 10,097.45 = 3,959.80 : x
  2. Step 2: Convert to fraction form
    7,316.97/10,097.45 = 3,959.80/x
  3. Step 3: Cross multiply
    7,316.97x = 10,097.45 × 3,959.80
  4. Step 4: Simplify right side
    7,316.97x = 39,983,882.51
  5. Step 5: Solve for x
    x = 39,983,882.51/7,316.97
  6. Step 6: Final answer
    x = 5,464.54

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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.