Home / 7,836.09-10,810.96-5,148.75

Finding the Fourth Proportional to 7,836.09, 10,810.96 and 5,148.75

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Solution

The fourth proportional to 7,836.09, 10,810.96 and 5,148.75 is: 7,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.09 : 10,810.96 = 5,148.75 : x
  2. Step 2: Convert to fraction form
    7,836.09/10,810.96 = 5,148.75/x
  3. Step 3: Cross multiply
    7,836.09x = 10,810.96 × 5,148.75
  4. Step 4: Simplify right side
    7,836.09x = 55,662,973.42
  5. Step 5: Solve for x
    x = 55,662,973.42/7,836.09
  6. Step 6: Final answer
    x = 7,103.41

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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.