Home / 7,147.07-10,724.25-3,403.08

Finding the Fourth Proportional to 7,147.07, 10,724.25 and 3,403.08

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Solution

The fourth proportional to 7,147.07, 10,724.25 and 3,403.08 is: 5,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.07 : 10,724.25 = 3,403.08 : x
  2. Step 2: Convert to fraction form
    7,147.07/10,724.25 = 3,403.08/x
  3. Step 3: Cross multiply
    7,147.07x = 10,724.25 × 3,403.08
  4. Step 4: Simplify right side
    7,147.07x = 36,495,480.69
  5. Step 5: Solve for x
    x = 36,495,480.69/7,147.07
  6. Step 6: Final answer
    x = 5,106.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.