Home / 7,867.26-10,858.50-5,353.56

Finding the Fourth Proportional to 7,867.26, 10,858.50 and 5,353.56

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Solution

The fourth proportional to 7,867.26, 10,858.50 and 5,353.56 is: 7,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.26 : 10,858.50 = 5,353.56 : x
  2. Step 2: Convert to fraction form
    7,867.26/10,858.50 = 5,353.56/x
  3. Step 3: Cross multiply
    7,867.26x = 10,858.50 × 5,353.56
  4. Step 4: Simplify right side
    7,867.26x = 58,131,631.26
  5. Step 5: Solve for x
    x = 58,131,631.26/7,867.26
  6. Step 6: Final answer
    x = 7,389.06

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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.