Home / 5,277.88-7,274.10-4,687.48

Finding the Fourth Proportional to 5,277.88, 7,274.10 and 4,687.48

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Solution

The fourth proportional to 5,277.88, 7,274.10 and 4,687.48 is: 6,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.88 : 7,274.10 = 4,687.48 : x
  2. Step 2: Convert to fraction form
    5,277.88/7,274.10 = 4,687.48/x
  3. Step 3: Cross multiply
    5,277.88x = 7,274.10 × 4,687.48
  4. Step 4: Simplify right side
    5,277.88x = 34,097,198.27
  5. Step 5: Solve for x
    x = 34,097,198.27/5,277.88
  6. Step 6: Final answer
    x = 6,460.40

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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.