Home / 7,762.05-10,713.33-5,109.75

Finding the Fourth Proportional to 7,762.05, 10,713.33 and 5,109.75

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Solution

The fourth proportional to 7,762.05, 10,713.33 and 5,109.75 is: 7,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.05 : 10,713.33 = 5,109.75 : x
  2. Step 2: Convert to fraction form
    7,762.05/10,713.33 = 5,109.75/x
  3. Step 3: Cross multiply
    7,762.05x = 10,713.33 × 5,109.75
  4. Step 4: Simplify right side
    7,762.05x = 54,742,437.97
  5. Step 5: Solve for x
    x = 54,742,437.97/7,762.05
  6. Step 6: Final answer
    x = 7,052.57

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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.