Home / 9,042.12-13,563.54-2,802.78

Finding the Fourth Proportional to 9,042.12, 13,563.54 and 2,802.78

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Solution

The fourth proportional to 9,042.12, 13,563.54 and 2,802.78 is: 4,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.12 : 13,563.54 = 2,802.78 : x
  2. Step 2: Convert to fraction form
    9,042.12/13,563.54 = 2,802.78/x
  3. Step 3: Cross multiply
    9,042.12x = 13,563.54 × 2,802.78
  4. Step 4: Simplify right side
    9,042.12x = 38,015,618.64
  5. Step 5: Solve for x
    x = 38,015,618.64/9,042.12
  6. Step 6: Final answer
    x = 4,204.28

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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.