Home / 9,409.08-12,984.90-5,217.48

Finding the Fourth Proportional to 9,409.08, 12,984.90 and 5,217.48

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Solution

The fourth proportional to 9,409.08, 12,984.90 and 5,217.48 is: 7,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,409.08 : 12,984.90 = 5,217.48 : x
  2. Step 2: Convert to fraction form
    9,409.08/12,984.90 = 5,217.48/x
  3. Step 3: Cross multiply
    9,409.08x = 12,984.90 × 5,217.48
  4. Step 4: Simplify right side
    9,409.08x = 67,748,456.05
  5. Step 5: Solve for x
    x = 67,748,456.05/9,409.08
  6. Step 6: Final answer
    x = 7,200.33

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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.