Home / 9,340.25-12,889.55-5,148.59

Finding the Fourth Proportional to 9,340.25, 12,889.55 and 5,148.59

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Solution

The fourth proportional to 9,340.25, 12,889.55 and 5,148.59 is: 7,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.25 : 12,889.55 = 5,148.59 : x
  2. Step 2: Convert to fraction form
    9,340.25/12,889.55 = 5,148.59/x
  3. Step 3: Cross multiply
    9,340.25x = 12,889.55 × 5,148.59
  4. Step 4: Simplify right side
    9,340.25x = 66,362,982.49
  5. Step 5: Solve for x
    x = 66,362,982.49/9,340.25
  6. Step 6: Final answer
    x = 7,105.05

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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.