Home / 7,278.56-10,044.48-3,966.56

Finding the Fourth Proportional to 7,278.56, 10,044.48 and 3,966.56

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Solution

The fourth proportional to 7,278.56, 10,044.48 and 3,966.56 is: 5,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.56 : 10,044.48 = 3,966.56 : x
  2. Step 2: Convert to fraction form
    7,278.56/10,044.48 = 3,966.56/x
  3. Step 3: Cross multiply
    7,278.56x = 10,044.48 × 3,966.56
  4. Step 4: Simplify right side
    7,278.56x = 39,842,032.59
  5. Step 5: Solve for x
    x = 39,842,032.59/7,278.56
  6. Step 6: Final answer
    x = 5,473.89

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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.