Home / 9,261.05-12,780.26-5,069.30

Finding the Fourth Proportional to 9,261.05, 12,780.26 and 5,069.30

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Solution

The fourth proportional to 9,261.05, 12,780.26 and 5,069.30 is: 6,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.05 : 12,780.26 = 5,069.30 : x
  2. Step 2: Convert to fraction form
    9,261.05/12,780.26 = 5,069.30/x
  3. Step 3: Cross multiply
    9,261.05x = 12,780.26 × 5,069.30
  4. Step 4: Simplify right side
    9,261.05x = 64,786,972.02
  5. Step 5: Solve for x
    x = 64,786,972.02/9,261.05
  6. Step 6: Final answer
    x = 6,995.64

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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.