Home / 5,316.28-7,338.09-3,427.86

Finding the Fourth Proportional to 5,316.28, 7,338.09 and 3,427.86

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Solution

The fourth proportional to 5,316.28, 7,338.09 and 3,427.86 is: 4,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.28 : 7,338.09 = 3,427.86 : x
  2. Step 2: Convert to fraction form
    5,316.28/7,338.09 = 3,427.86/x
  3. Step 3: Cross multiply
    5,316.28x = 7,338.09 × 3,427.86
  4. Step 4: Simplify right side
    5,316.28x = 25,153,945.19
  5. Step 5: Solve for x
    x = 25,153,945.19/5,316.28
  6. Step 6: Final answer
    x = 4,731.49

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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.