Home / 9,353.28-12,907.48-5,161.52

Finding the Fourth Proportional to 9,353.28, 12,907.48 and 5,161.52

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Solution

The fourth proportional to 9,353.28, 12,907.48 and 5,161.52 is: 7,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.28 : 12,907.48 = 5,161.52 : x
  2. Step 2: Convert to fraction form
    9,353.28/12,907.48 = 5,161.52/x
  3. Step 3: Cross multiply
    9,353.28x = 12,907.48 × 5,161.52
  4. Step 4: Simplify right side
    9,353.28x = 66,622,216.17
  5. Step 5: Solve for x
    x = 66,622,216.17/9,353.28
  6. Step 6: Final answer
    x = 7,122.87

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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.