Home / 9,219.49-13,829.33-2,645.66

Finding the Fourth Proportional to 9,219.49, 13,829.33 and 2,645.66

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Solution

The fourth proportional to 9,219.49, 13,829.33 and 2,645.66 is: 3,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.49 : 13,829.33 = 2,645.66 : x
  2. Step 2: Convert to fraction form
    9,219.49/13,829.33 = 2,645.66/x
  3. Step 3: Cross multiply
    9,219.49x = 13,829.33 × 2,645.66
  4. Step 4: Simplify right side
    9,219.49x = 36,587,746.40
  5. Step 5: Solve for x
    x = 36,587,746.40/9,219.49
  6. Step 6: Final answer
    x = 3,968.52

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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.