Home / 9,352.96-12,907.02-5,161.22

Finding the Fourth Proportional to 9,352.96, 12,907.02 and 5,161.22

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Solution

The fourth proportional to 9,352.96, 12,907.02 and 5,161.22 is: 7,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.96 : 12,907.02 = 5,161.22 : x
  2. Step 2: Convert to fraction form
    9,352.96/12,907.02 = 5,161.22/x
  3. Step 3: Cross multiply
    9,352.96x = 12,907.02 × 5,161.22
  4. Step 4: Simplify right side
    9,352.96x = 66,615,969.76
  5. Step 5: Solve for x
    x = 66,615,969.76/9,352.96
  6. Step 6: Final answer
    x = 7,122.45

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Similar ratio
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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.